Piyaporn Saensouk

Piyaporn Saensouk
Mahasarakham University · Department of Biology

Doctor of Biology
Associate Prof. Dr. at Department of Biology, Faculty of Science, Mahasarakham University

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105
Publications
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664
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Publications

Publications (105)
Article
Full-text available
The Zingiberaceae family boasts remarkable species diversity, with significant implications for conservation and resource management. The objective of this research is to study the diversity and traditional utilization of Zingiberaceae in Nakhon Nayok Province. Through field observations, herbarium specimens, interviews, and surveys, we documented...
Article
Curcuma spaganifolia Gagnep., belonging to the family Zingiberaceae, has attracted widespread attention due to its considerable economic importance. The conventional propagation method for ginger family takes a long time for multiplication due to the low propagation rate and poor seed germination, therefore, tissue culture is an important method fo...
Article
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Saensouk P, Boonma T, Saensouk S. 2022. Curcuma nakhonphanomensis (Zingiberaceae), a new species from the lower Mekong River basin, northeastern Thailand. Biodiversitas 23: 6040-6048. Curcuma nakhonphanomensis Boonma, Saensouk & P. Saensouk sp. nov. (Zingiberaceae: Zingibereae) was distributed in Nakhon Phanom Province, northeastern Thailand. The m...
Article
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aensouk P, Boonma T, Saensouk S. 2022. Revision of the genus CornukaempferiaMood & K. Larsen (Zingiberaceae), and a new species from Thailand.Biodiversitas 23:5718-5729.CornukaempferiaMood & K. Larsen (Zingiberaceae) is revised. Seven species of Cornukaempferia have been recognized with their updated nomenclature including C. aurantiiflora Mood & K...
Article
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This research studied a propagation protocol for Kaempferia koratensis Picheans. which is an endangered plant of Thailand using plant tissue culture technique. Microshoot (1 cm long) of K. koratensis was cultured on solid and liquid Murashige and Skoog (MS) supplemented with various concentrations of auxin, cytokinin and their combinations for eigh...
Article
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The chromosome numbers and karyotypes of six species belonging to five genera of the family Araceae distributed in natural areas from Thailand were ana-lyzed. These species are Aglaonema modestum Schott ex Engl., Ag. simplex (Blume) Blume, Amorphophallus serrulatus Hett. & A. Galloway, Arisaema maxwellii Hett. & Gusman, Hapaline benthamiana Schott...
Article
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Rakarcha S, Saensouk S, Maknoi C, Wongnak M, Thammarong W, Saensouk P. 2022. Curcuma lampangensis and C. sabhasrii, two new species of the family Zingiberaceae from northern Thailand. Biodiversitas 23: 4448-4459. Curcuma lampangensis Saensouk, Maknoi & Rakarcha and C. sabhasrii Saensouk, Maknoi, Wongnak & Rakarcha, two new species of ginger family...
Article
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The chromosome numbers and karyotypes of six species belonging to five genera of the family Araceae distributed in natural areas from Thailand were analyzed. These species are Aglaonema modestum Schott ex Engl., Ag. simplex (Blume) Blume, Amorphophallus serrulatus Hett. & A. Galloway, Arisaema maxwellii Hett. & Gusman, Hapaline benthamiana Schott a...
Article
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Muangsan N, Saensouk P, Chanokkhun T, Watthana S. 2022. Comparative leaf epidermis study in Habenaria spp. (Orchidaceae) from Thailand. Biodiversitas 23: 4159-4168. The variation of epidermal and stomatal characteristics could be used for plant classification, including orchids. This study aimed to investigate leaf epidermis characters of Habenaria...
Article
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Cytogenetics of five species of Murdannia (Commelinaceae) from Northeastern Thailand were conducted. The result revealed that the diploid chromosome number (2n) and karyotype formula were as follow: M. edulis (Stokes) Faden; 2n = 20 (12 m + 4sm + 4st), M. loriformis (Hassk.) R.S.Rao & Kammathy; 2n = 18 (4 m + 10sm + 4st), M. madica (Lour.) D.Y.Hong...
Article
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The karyology of five species of Boesenbergia (B. collinsii, B. pulcherrima, B. rotunda, B. thorellii and B. xyphostachya) (Zingiberaceae) in Thailand are investigated. The chromosome number and karyotype formula of the five species are 2n=20 (8m+10sm+2st) in B. collinsii, 2n=36 (8m+18sm+10st) in B. pulcherrima, 2n=38 (18m+14sm+6st) in B. rotunda,...
Article
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The objective of this study was to determine the diversity, conservation status, and traditional uses of Zingiberaceae in Bueng Kan Province, Thailand. The family Zingiberaceae was collected during field surveys in Bueng Kan Province, northeastern Thailand between January and December 2021. Three tribes, 13 genera, and 67 species of Zingiberaceae w...
Article
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Curcuma achrae Saensouk & Boonma, a new species of Curcuma subgenus Ecomata (Zingiberaceae) from Nakhon Nayok province, Central Thailand is described and illustrated along with photographs, notes on its distribution and habitat. A revised identification key to 68 species of the genus Curcuma in Thailand is also presented.
Article
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Boonma T, Saensouk S, Saensouk P. 2022. Kaempferia sipraiana (Zingiberaceae), a new species from Thailand and a new record of Kaempferia pseudoparviflora for Myanmar. Biodiversitas 23: 2203-2211. Kaempferia sipraiana Boonma & Saensouk, a new species of Kaempferia subgenus Protanthium (Zingiberaceae) from northern Thailand and K. pseudoparviflora Sa...
Article
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Cytological studies in seven species of four genera of Commelinaceae from nature in Thailand revealed the following karyotypes: Callisia fragrans (striped leaves), 2n=12=6sm+6st; Commelina clavata, 2n=22=6m+10sm+6st; Co. erecta, 2n=56=22m+34sm; Co. obliqua 2n=30=8m+16sm+6st; Tradescantia fluminensis, 2n=12=6sm+6st; T. spathacea (green in all parts)...
Article
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The objective of this research was studied indigenous knowledge of Zingiberaceae by the Phu Thai ethnic group in Nakhon Phanom province, Thailand. A field survey was performed through observation, participation and interview with local healers and general villagers. The data was analyzed by using Independentsamples t-test, One Way ANOVA, indices of...
Article
Kaempferia siamensis Sirirugsa (Zingiberaceae) is found in only a few natural habitats in Northeastern Thailand and it is commonly used as an ornamental plant and vegetable. It is rare species endemic to Thailand and therefore, needs conservation measures. In vitro propagation of K. siamensis by a tissue culture technique was investigated as a tool...
Article
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Saensouk S, Saensouk P. 2021. Pollen morphology of some species in family Amaranthaceae from Thailand. Biodiversitas 23: 601-611. The aim of this study was to study the pollen morphology of 14 species, eight genera from the family Amaranthaceae in Thailand by the applied acetolysis method and it was taken under light and scanning electron microcopi...
Article
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Cornukaempferia argentifolia, a new species of Zingiberaceae from northern Thailand, is described and illustrated along with photographs, notes on its distribution, ecology, and IUCN conservation status. An identification key to the species of Cornukaempferia Mood & K.Larsen in Thailand and a distribution map are also presented.
Article
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Cytological studies of two genera, four species of Commelinaceae from Thailand were conducted. The chromosome numbers and karyotype formulas of the four species analyzed here were Callisia repens, 2n=12, 4sm+8st; Ca. soconuscensis 2n=12, 2sm+10st; Cyanotis axilaris 2n=20, 20st; and Cyanotis cristata 2n=26, 6m+2sm+18st. The karyotypes of the four sp...
Article
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Phatlamphu N, Saensouk S, Saensouk P, Jungsongduang A. 2021. Ethnobotany of edible plants in Muang District, Kalasin Province, Thailand. Biodiversitas 22: 5432-5444. Edible plants have been used as a food source and have had other purposes since ancient times, but urbanization and modernization might be obscuring traditional knowledge. Therefore, t...
Article
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Saensouk S, Saensouk P. 2021. Pollen morphology of subfamily Malvoideae (Malvaceae sensu lato) in Thailand. Biodiversitas 22: 5633-5643. The pollen morphology of 19 species with eight variants and ten genera of subfamily Malvoideae (Malvaceae sensu lato) were investigated by light and scanning electron microscopy. The pollen was monad, spheroidal s...
Article
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Abstract. Saensouk P, Boonma T, Saensouk S. 2021. Curcuma siamensis (Zingiberaceae, Zingibereae), a new species of Curcuma subgen. Ecomatae from Southeastern Thailand. Biodiversitas 22: 5239-5246. Curcuma siamensis Saensouk & Boonma sp. nov. (Zingiberaceae: Zingibereae) belonging to the genus Curcuma subgenus Ecomatae, as herein described and illus...
Article
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Karyotype analysis from four species of edible plants, namely one species from family Cannaceae (Canna indicaL.), one species including 2 variants from family Araceae (Colocasia esculenta(L.) Schott, green taro and black taro) and two species from family Apiaceae (Eryngium foetidum L. and Centella asiatica (L.) Urb.) in Maha Sarakham province, nort...
Article
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The diversity and utilization of aquatic plants in Hua Khua village, Tambol ThaKhon Yang, Kantarawichai district, Maha Sarakham province between January and December 2018. Survey and collected followed by interviews traditional uses of aquatic plants. The collected plants belong to 29 genera, 33 species in 23 families of aquatic plants. The Monocot...
Article
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Saensouk S, Boonma T, Saensouk P. 2021. A new species and a new record of Curcuma subgen. Curcuma (Zingiberaceae) from Northern Thailand. Biodiversitas 22: 3661-3670. Recent fieldwork to study the species diversity of the Zingiberaceae family in Thailand and preparing a revision of the Curcuma genus for the Flora of Thailand, an undescribed species...
Article
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Chumroenphat T, Saensouk S, Saensouk P. 2021. Chemical composition and antioxidant activity of three species of Cornukaempferia in Thailand. Biodiversitas 22: 4036-4044. Genus Cornukaempferia (Zingiberaceae) were used as medicinal plants in Thailand. Cornukaempferia has never been reported the chemical compounds and antioxidant activity before. Thi...
Article
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Maknoi C, Saensouk S, Saensouk P, Rakarcha S, Thammarong W. 2021. Two new species of Curcuma L. (Zingiberaceae) from Thailand. Biodiversitas 22: 3910-3921. Curcuma aruna and C. pitukii, two new species from northern Thailand, are described, illustrated, and photographed. They are endemic to Sukhothai and Lampang Provinces, northern Thailand, and th...
Article
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Saensouk P, Saensouk S, Boonma T. 2022. Two new species of Kaempferia subgenus Kaempferia (Zingiberaceae: Zingibereae) from Thailand. Biodiversitas 23: 4343-4354. Two new species of Kaempferia L., namely Kaempferia napavarniae Saensouk, P. Saensouk & Boonma, and Kaempferia sakonensis Saensouk, P. Saensouk & Boonma, are discribed here. The productio...
Article
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Saensouk S, Saensouk P. 2021. Karyotype analysis of three species of Allium (Amaryllidaceae) from Thailand. Biodiversitas 22: 3458-3466. Comprehensive karyotype analysis of three species of Allium from Thailand has not been reported. This work aims to study karyotype analysis of three species of Allium from Thailand. It is confusing due to the use...
Article
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Saensouk P, Saensouk S. 2021. Diversity, traditional uses and conservation status of Zingiberaceae in Udorn Thani Province, Thailand. Biodiversitas 22: 3083-3097. Southeast Asia is recognized as the center of Zingiberaceae distribution with Thailand is among the important regions. Nonetheless, a comprehensive study in a regional context that invest...
Article
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Abstract. Saensouk P, Saensouk S. 2021. Taxonomic studies and three new records on genus Geostachys(Baker) Ridl. in Thailand.Biodiversitas 22:3057-3067.A comprehensive taxonomic study and three new records of genus Geostachys(Baker) Ridl. in Thailand have not been reported. This research aimed to study the taxonomical aspect of the genus Geostachys...
Article
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Saensouk S, Boonma T, Thomudtha A, Thomudtha P, Saensouk P. 2021. Short Communication: Curcuma wanenlueanga (Zingiberaceae), a new species of subgenus Curcuma from Thailand. Biodiversitas 22: 2988-2994. Curcuma wanenlueanga Saensouk, Thomudtha & Boonma, a new species of Curcuma subgenus Curcuma (Zingiberaceae) from Thailand was described with detai...
Article
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Saensouk P, Saensouk S. 2021. Diversity and cytological studies on the genus Amomum Roxb. former Elettariopsis Baker (Zingiberaceae) in Thailand. Biodiversitas 22: 3209-3218. A comprehensive diversity and cytological studies of the genus Amomum Roxb. in Thailand have not been reported. This work aims to study the diversity and cytological including...
Article
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The comparative chromosomal features of four species belonging to family Apocynaceae from Northeastern Thailand were studied from the root tips. The somatic chromosome numbers of all specimens were found to be 2n = 36 for Allamanda blanchetii, 2n = 18 for A. cathartica, 2n = 20 in A. schottii and 2n = 52 in Cryptostegia grandiflora. The chromosome...
Article
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Saensouk S, Boonma T, Saensouk P. 2021. Six new species and a new record of Curcuma L. (Zingiberaceae) from Thailand. Biodiversitas 22: 1658-1685. All six new species and a new record of Curcumawere described with detailed illustrations, photographs, summaries for their distribution, ecology, IUCN conservation status, and followed by a new record a...
Article
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Kaempferia nigrifolia Boonma & Saensouk, a new species of Zingiberaceae from Central Thailand, is described and illustrated along with photographs, notes on its distribution and habitat. An identification key to the species of Kaempferia in Thailand is also presented.
Article
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Kaempferia nigrifolia Boonma & Saensouk, a new species of Zingiberaceae from Central Thailand, is described and illustrated along with photographs, notes on its distribution and habitat. An identification key to the species of Kaempferia in Thailand is also presented.
Article
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Curcuma achrae Saensouk & Boonma, a new species of Curcuma subgenus Ecomata (Zingiberaceae) from Nakhon Nayok province, Central Thailand is described and illustrated along with photographs, notes on its distribution and habitat. A revised identification key to 68 species of the genus Curcuma in Thailand is also presented. © 2022 Indian Association...
Article
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The chromosome numbers and karyotype analyses of Kaempferia laotica Gapnep and K. rotunda L. belonging to family Zingiberaceae in Thailand were studied from root tips. The results show that the chromosome number of Kaempferia laotica and K. rotunda was found the same numbers to be 2n = 22 and the different karyotype formula with different in positi...
Article
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Background and Objective: Kaempferia pseudoparviflora is a new species from Thailand. Cytogenetics and palynology of this new species are never reported before. Therefore, this study aimed to study the taxonomical study, karyology and palynology of Kaempferia pseudoparviflora sp. nov. from Thailand. Materials and Methods: Plant taxonomy study was s...
Article
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Saensouk P, Saensouk S. 2021. Short Communication: Taxonomy and the first report for pollen and leaf surfaces anatomy of the genus Enkleia (Thymelaeaceae) in Thailand. Biodiversitas 22: 1340-1344. Taxonomic of the genus Enkleia in Thailand are revised. Two species, Enkleia malaccensis Griff. and E. thorelii (Lecomte) Nevling, are reported. Enkleia...
Article
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Study species diversity of understory plant in Khok Nong Khwang Forest, Kantharawichai District, Maha Sarakham Province was conducted between January to December 2016 by using line transect methods in 3.5 km covering the study area. Phenological data, scientific names and plant specimens were provided. A total of 40 family, 103 genera, and 121 spec...
Conference Paper
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The anatomical study of nine taxa of Malvaceae, namely Gossypium herbacceum, Hibiscus esculentus, H. mutabilis, H. rosa-sinensis, H. schizopetalus, H. subdariffa, H. sp., Malvaviscus arboreus var. penduliflorus and Thespesia populnea was investigated by leaf epidermal peeling on both surfaces. The shape of epidermal cells, cutin, inclusion, druse c...
Article
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The family Convolvulaceae in Muang District, Nong Khai Province was studied between February and August 2006. Five genera and 25 species are recognized. Five species are cultivated as ornamentals. The most abundant is Ipomoea with 12 species. Most species are herbaceous climbers and woody climbers except Ipomoea carnea Jacq. which is an erect herb....
Article
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Leaf surface anatomy and morphology in seven taxa (15 samples) of Leeaceae in Thailand was studied using Light Microscope (LM) and Scanning Electron Microscope (SEM) respectively. The results showed that types of trichome, types of stomata, types of crystal and shape of epidermal cell were investigated anatomically. Anomocytic stomata, raised stoma...
Article
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Three tribes containing, seven genera and 18 taxa, of the ginger family are found in Phu Phra Bat Historical Park, Ban Phue district, Udon Thani province. They can be used as food, spice, medicine, perfume and ornamental plants such as Alpinia galanga, A. siamensis, Boesenbergia rotunda, Curcuma angustifolia and C. singularis. The vernacular names,...
Article
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Globba sirirugsae Saensouk & P. Saensouk, sp. nov. from the Phu Phan Moutain Range, Kut Bak District, Sakhon Nakhon Province, northeast Thailand is reported. A detailed description, flowering and fruiting period, distribution, habitat, uses, photographs and illustration are provided.
Article
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The pollen morphology of seven species (eight samples of each) of Thai Helicteres (Malvaceae s.l.) was determined based on observations using light microscopy and scanning electron microscopy. The pollen morphology of all species hasbilateral symmetry, with isopolar and triporate apertures. There are two pollen shapes: semi-trilobate and semi-trian...
Article
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Currently, there is a reduction in the number of Globba globulifera, which is due to its slow multiplication rate, high susceptibility to pathogenic diseases and overexploitation of the plant from natural sources. In vitro culture to study suitable concentrations of plant growth regulators for shoot and root induction of G. globulifera. Bioactive c...
Article
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Leaf surfaces anatomy was investigated in thirteen species, seven genera of Ochidaceae from Thailand. Leaf blade anatomy characteristics were studied using epidermal peeled slides before being observed under light microscope. The results showed the comparable data of leaf anatomical characters among thirteen species of the orchids. Distinct variati...
Article
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Cornukaempferia larsenii P. Saensouk (Zingiberaceae) was previously known as endemic to Thailand. A specimen from Xayaburi Province is reported from Lao PDR. Color photographs of the species are provided.
Article
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Tetracera akara (Burm. f.) Merr. (Dilleniaceae) is reported here as a new record for Thailand. A key to the species of the genus Tetracera in Thailand, description, photographs and drawing of Tetracera akara are also provided.
Article
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Amomum foetidum (Zingiberaceae), a new species from Northeast Thailand is here described, illustrated and photographed. The key to three species of Amomum which cited and treated in this paper is provided.
Article
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Amomum foetidum (Zingiberaceae), a new species from Northeast Thailand is here described, illustrated and photographed. The key to three species of Amomum which cited and treated in this paper is provided.
Article
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Two new species of Kaempferia L. (Zingiberaceae) from Thailand consisting of Kaempferia maculifolia Boonma & Saensouk sp. nov. and Kaempferia takensis Boonma & Saensouk sp. nov. are described, illustrated, and photographed. The conservation status is provided for both new species. An identification key to the species of the Kaempferia genus in Thai...
Article
The genus Zingiber of the family Zingiberaceae is a perennial herb that possesses underground tuberous aromatic rhizomes and currently comprises approximately 56 species in Thailand. Somatic chromosome numbers and karyotypes of two species of Zingiber found in the northeast Thailand are presented here. Present study is the first account of the kary...
Article
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Boesenbergia isanensis Saensouk & P. Saensouk, sp. nov. (Zingiberaceae) is described from northeastern Thailand. Description, photograph, illustration, vernacular name, distribution, ecology, uses and phenology of this species are provided.
Article
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Cytological studies of five genera, six species of Commelinaceae from Thailand revealed the following karyotypes: Amischotolype mollissima, 2n=36 (2m+16sm+18st); Callisia fragrans, 2n=12 (6m+6st); Commelina benghalensis, 2n=22 (12m+6sm+4st); Co. diffusa 2n=48 (26m+22sm); Murdannia loriformis 2n=20 (8m+12sm); and Tradescantia spathacea 2n=12 (4m+4sm...
Article
Full-text available
The genus Tacca (Dioscoreaceae) is used as a medicinal plant with medicinal properties, outstanding in the matter of tonic treat rash, treat inflammation in both inside and outside the body, including hepatitis, dysentery and diarrhea. In Thailand, there are five species, namely T. Chantrieri Andre, T. integrifolia Ker Gawl., T. leontopetaloides (L...
Article
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Species diversity of trees plant in Khok Nong Khwang Forest, Kantharawichai District, Maha Sarakham Province was conducted between January and December 2016. The objective of this study is to study the diversity of tree species, conservation status, and phenology. This study provides basic information for conservation and further benefits for other...
Article
Full-text available
Species diversity of trees plant in Khok Nong Khwang Forest, Kantharawichai District, Maha Sarakham Province was conducted between January and December 2016. The objective of this study is to study the diversity of tree species, conservation status, and phenology. This study provides basic information for conservation and further benefits for other...
Article
Full-text available
Cytogenetical studies in three Thailand species of genus Colocasia Schott, C. fallex, C. gigantea and C. lihengiae, were reported. The species had the same chromosomes number of 2n=28 and their karyotypes were formulated as 24m+4sm, 20m+6sm+2st (2 sat) and 18m+2sm+8st, respectively. Differences among three species appeared in the number of m, sm an...
Article
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Kaempferia phuphanensis Saensouk & P. Saensouk (Zingiberaceae) is reported here as a new species from Thailand. This species is described, photographed and illustrated.
Article
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Survey species diversity and utilization of genus Tacca (Dioscoreaceae) in Thailand were studied between August 2016 and May 2017. Dried specimens in BK, BKF, CMU, KKU, PSU and QBG herbaria were studied. The specimens of five species in the genus Tacca were collected from all region of Thailand. One rare species, T. plantaginea ( Hance) Drenth, is...
Article
Full-text available
Diversity and utilization of family Costaceae in Thailand is studied between January and December 2016. Dried specimens at BK, BKF, QBG and PSU herbaria were studied. The specimens of the Costaceae were collected from all regions in Thailand. Two genera and 5 species were recorded. There are genus Costus with two species and genus Hellenia with thr...
Article
Diversity of Zingiberaceae in Pathumrat District, Roi-Et Province is studied by survey during July and February 2018. Zingiberis the most diverse genus with 4 species, followed by with Curcuma 3 species and Alpinia2 species. While the genus Boesenbergia, Hedychium and Etlingeraare the least diverse genera with 1 species each. Twelve species, namely...
Article
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The objective of this study was to studied diversity, ecology, conservation of status, phenology and traditional uses of family Orchidaceae in Kut Bak district, Sakon Nakon province under Plant Genetic Conservation Project under the Royal Initiation of Her Royal Highness Princess Maha Chakri Sirindhorn. Eight genera with 14 species of three groups...
Article
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Karyomorphological details of three species of the genus Alocasia native to Thailand are presented. The somatic number and karyotypic details of the three species are: Alocasia cucullata, 2n (28) = 22m + 6sm; A. longiloba, 2n (58) = 38m + 18sm + 2a; and A. macrorrhizos, 2n (28) = 20m + 8sm. The karyotype of A. longiloba and A. macrorrhizos are firs...
Article
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Kaempferia mahasarakhamensis sp. nov. (Zingiberaceae), a new species from Northeastern Thailand, is described, photographed and illustrated. It can be easily recognized by its erect and elongate psuedostem, length of leaf sheaths and leaves elliptic with apex acuminate. The new species resembles K. larsenii Sirirugsa but it differs in its two leave...
Article
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The present study aimed to study the diversity of plants used by Phu Thai ethnic groups in Nakhon Phanom province, and to find out the correlation between genders, age, and indigenous knowledge of the Phu Thai groups. The data were analyzed by using independent-samples t-test, one way ANOVA, cultural importance index (CI), informant consensus facto...
Article
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An efficient and rapid protocol for the micropropagation of Globba schomburgkii Hook. f. via bulbil explants was investigated. The long divided and undivided bubils of G. schomburgkii Hook. f. were cultured on MS medium (Murashige and Skoog) that had either 3 mg/l benzyladenine (BA) or 0.5 mg/l naphthaleneacetic acid (NAA) added for 8 weeks. The re...
Article
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The objective of this study was to investigate chromosome number of nine Cyperaceae species from Thailand, namely Fimbristylis dichomata (L.) Vahl., F. miliacea (L.) Vahl., Rhynchospora chinensis Nees & Mey., R. corymbosa (L.) Britton., Cyperus compactus Retz., C. corymbosus Rottb., C. involucratus Roxb., C. iria L. and C. laxus Lam. var. laxus. Ch...
Article
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The pollen grains of twelve species of the Arecaceae namely Adonidia merrillii, Bismarckia nobilis, Borassus flabellifer, Calamus caesius, Cocos nucifera, Dypsis lutescens, Hyophorbe lagenicaulis, Livistona chinensis, Phoenix dactylifera, P. roebelenii, Washingtonia robusta and Wodyetia bifurcata were studied using light and scanning electron micro...
Article
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The pollen grains of twelve species of the Arecaceae namely Adonidia merrillii, Bismarckia nobilis, Borassus flabellifer, Calamus caesius, Cocos nucifera, Dypsis lutescens, Hyophorbe lagenicaulis, Livistona chinensis, Phoenix dactylifera, P. roebelenii, Washingtonia robusta and Wodyetia bifurcata were studied using light and scanning electron micro...
Article
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Cytogenetical studies were carried out on Colocasia esculenta (L.) Schott and five different karyotypes were observed, karyotype formula of each karyotype were 2n=28=L24 m+M4 sm, 2n=28=L14 m+L2 sm+M6 m+M6 sm, 2n=28=L22 m+L6 sm, 2n=28=L18 m+M4 m+M2 sm+S2 sm+S2 sm and 2n=28=L8 m+L4 sm+M4 m+M10 sm+S2 m. The karyotype of five strains had same chromosom...
Article
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The pollen morphology of 45 taxa, seven genera of Convolvulaceae is based on observations from a light microscope, but the features seen in the scanning electron microscope are also mentioned where appropriate. The pollen of Thai Convolvulaceae can be divided into six pollen types based on their aperture, namely Polypantoporate, Hexacolpate, Tricol...
Article
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Pollen morphology was investigated in 22 taxa of the genus Globba (Zingiberaceae) from Thailand by means of light microscopy and scanning electron microscopy. The pollen grains of all taxa examined are monad, radially symmetric, apolar, and inaperturate. The sizes of the pollen grains are medium and large. The pollen grains have various shapes: obl...
Article
Full-text available
Survey species diversity and uti lizati on of genus Tacca (Dioscoreaceae) in Thai land were studi ed between August 2016 and May 2017. Dried specimens in BK, BKF, CMU, KKU, PSU and QBG herbaria were studied. The specimens of five species in the genus Tacca were collected from all region of Thailand. One rare species, T. plantaginea (Hance) Drenth,...