K. K. RawatNational Botanical Research Institute | NBRI · Plant Diversity, Systematics and Herbarium Division
K. K. Rawat
M. Sc., Ph. D. (Bot.)
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87
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Introduction
K. K. Rawat currently works at the Plant Diversity, Systematics and Herbarium Division, National Botanical Research Institute - India. K. does research in Botany and Systematics (Taxonomy).
Additional affiliations
October 2005 - July 2021
Publications
Publications (87)
Present study focused on the fruit feeding behavior of insect predator Scutellera perplexa Westwood, its impact and degree of injury to the developing fruits and seeds of Jatropha. The study revealed that S. perplexa was synchronized with the phenology of Jatropha and responded when fruits were available. The predator completed its life cycle exclu...
In recent past considerable work has been done on mosses of Central India region but a allinclusive
literature was lacking. Therefore in present study attempt is made to fill this lacuna.
This checklist reports occurrence of 210 valid taxa under 94 genera, and 30 families of mosses
from this region. Family Pottiaceae is the most diversified one rep...
Plagiochila squamulosa subsp. tamas-pocsii Sajitha, Manju & Rawat, a new subspecies of P. squamulosa Mitt. of sect. Vagae Lindenb., is described from the Nelliyampathy Hills in the Western Ghats of Peninsular India. This is the first Indian record of the species P. squamulosa from outside Africa and is supportive of the close relationship between t...
Plagiochila javanica, a widespread Asiatic member of the liverwort family Plagiochilaceae, is rediscovered from Western Ghats of Kerala, India after about 180 years of its first record from the country. The present discovery is a new record for Kerala state. A detailed description along with illustrations and images of the species are provided.
The present paper provides an account of 61 taxa of liverworts and three hornwort species observed during recent survey of Nagaland. Out of these, 46 taxa (44 liverworts, 2 hornworts) are being reported for the first time from Nagaland. Cephaloziella herzogiana (Pande and Srivastava) Udar and Kumar, and Porella caespitans (Steph.) S. Hatt. var. cae...
Plagiochila pseudopoeltii, a leafy liverwort is reported here for the first time from Kashmir Himalaya. The species was collected from Dachigam National Park, Srinagar district, and grows on moist soil as well as on the tree trunk. A detailed illustrated account of the species has been provided to validate the new distribution record and facilitate...
On the basis of compilation of earlier reports and results of fresh exploration, the present work provides a list of 113 bryophyte taxa from Mount Abu, Rajasthan including 24 taxa as new to the Mount Abu area. Out of these, 14 are new records to Rajasthan state, while 07 taxa are new to Central Indian bryo-geographical region.
New records of 48 species of mosses and liverworts are presented, with detailed notes on their taxonomy, distribution, and ecological characteristics. These findings provide valuable insights for advancing research in biogeography, ecology, and conservation.
High elevation ecosystems of the Himalaya have warmed more rapidly in recent decades than other areas of the globe. Alpine life zones are areas lying between the elevational climatic treeline and the snow line. The limit of alpine treeline elevational position in Himalaya is temperature dependent. Satellite remote sensing of delineating Himalayan a...
Leaf cell papillae and mamillae and peristome teeth of selected moss species of Mount Abu (Rajasthan) were examined using SEM and results are provided.
A new species of Lejeunea, L. asthanae P. K. Verma, K. K. Rawat & A. Alam, is described and illustrated as new species from central part of Nilgiri Mountains of Western Ghats.
Aristolochia littoralis Parodi, an invasive species reported from various countries, has been found growing in open forest of Kailash Sacred Landscape under Pithoragarh district of Uttarakhand and reported here
Abstract: The diversity of the liverwort genus Porella is studied in the Govind Wildlife Sanctuary
(GWLS), Uttarakhand. A total of 12 species and infraspecific taxa are described, all being reported for the first time from the area. A working key is provided for identification along with the taxonomic description of each of them. As Porella is repr...
Status of Cololejeunea in Eastern Himalaya
We here report, a total of thirty bryophyte (sixteen liverworts and fourteen mosses) taxa from the Tawang District, Arunachal Pradesh, India. Of these, Heterophyllium affine (Hook.) M. Fleisch. is reported here as new to India while the eight liverworts [Anastrophyllum minutum (Schreb.) R.M. Schust., Frullania retusa Mitt., F. tagawana
(S. Hatt. &...
During investigation on the bryoflora of Govind Wild Life Sanctuary, Uttarakhand, India, a rare liverwort, Plagiochila ghatiensis Stephani (Plagiochilaceae), with known restricted occurrence within south India, has been identified amongst the bryoflora of Himalaya, north India. The taxon is characterized by filiform, flagilleferous, microphyllous,...
Mount Abu, an ignored mountain range by most of the bryologists has scanty information regarding the bryo-diversity. The present study focuses on the taxonomy and diversity of family Pottiaceae (Pottiales) in this ignored mountain range. The most prevalent family of this region is Pottiaceae, hence, all the taxa of this family have been studied wit...
Flowering behavior of Mallotus philippensis was studied in the three forest communities, viz. Sal forest, Teak plantation and Dry miscellaneous forest of Katerniaghat Wildlife Sanctuary. It was observed that though its vegetative performance is well adapted under different conditions of the forest, reproductive behavior was greatly affected by the...
In vitro propagation of Splachnum sphaericum Hedw. has been carried out to study its growth pattern and morphogenetic attributes. Plants of this species were freshly collected from Se La Pass, Tawang, Arunachal Pradesh. Axenic culture of the species has been established using spores as explants. Half Knop's macronutrients, Half Knop's + Vitamins, H...
Anthelia julacea (L.) Dumort., a less known plant of Indian bryoflora, has been rediscovered from Himachal Pradesh and Uttarakhand after a gap of around eight decades. The study confirms its presence in the country and also makes its first ever report from Uttarakhand.
A total of 30 taxa of bryophytes are reported for the first time from Tawang district of Arunachal Pradesh, India, including 10 taxa as new to Arunachal Pradesh.
p>An updated account of 79 taxa of mosses of Gangetic plains, representing 40 genera and 19 families, is provided. The family Pottiaceae with 17 taxa belonging to 9 genera appears most dominant and diversified family in the area while at generic level, the genus Fissidens (Fissidentaceae) with 19 species shows maximum diversity, followed by Hyophil...
Eastern Ghats contribute considerably to both species richness and endemicity of the India. However, the forests of Eastern Ghats are comparatively understudied, under-explored and have received less consideration for conservation compared to the fairly better-known Western Ghats, the hot spot of biodiversity. Eventually, Eastern Ghats is left with...
Gymnomitrion crenatilobum Grolle, earlier reported from Nepal and known from the type only, is reported from Uttarakhand, India. The plants are clearly distinguishable based on a 2-3 cells wide hyaline leaf margin which is crenulate in apical half of leaves and smooth in basal half.
Kurzia trichoclados (K. Müller) Grolle, is a disjunct liverwort known from Europe, North America and Southeast Asia. Its distribution in South Asia has now been expanded to include India.
An updated taxonomic status of various taxa described in the 'Liverworts of western Himalayas and Panjab plains', a monumental work of Prof. S.R. Kashyap, is provided in the light of numerous taxonomical changes occurred during course of time, with relevant references and/or annotations.
An updated account of 51 taxa of mosses of Rajasthan and Punjab plains is provided along with a note on delimitation of boundaries of this unique bryo-geographical zone. Family Pottiaceae is most dominant and diversified with 17 taxa under 11 genera while genus Fissidens (Fissidentaceae) has the maximum diversity with 7 species followed by Physcomi...
P lagiochila sisparensis Steph., an endemic liverwort of Western Ghats - Sri Lanka hot spot, is recently rediscovered from Avalanche in Nilgiri hills (Tamil Nadu), the area is adjacent to its home place. The species was only recorded from India in 1921 from Sispara (Kerala). After more than 90 years gap it has been rediscovered. The species is easi...
Rawat K. K., Sahu V., Verma P. K. & Asthana A. K. 2015. Horikawaella S. Hatt. & Amakawa (Marchantiophyta:
Solenostomataceae) from Sikkim, India. Geophytology 45(1): 67-70.
Genus Horikawaella S. Hatt. & Amakawa, a rare taxon of Indian bryoflora, is endemic to Himalaya and is
represented in India by single species H. subacuta (Herzog) S. Hatt. & Amak...
The liverwort genus Metalejueunea cuculata of Lejeuneaceae is described and illustratred from Nilgiri hills (Western Ghats, India) as a new record for Indian bryoflora.
A rare bryophyte, Anthoceros subtilis Steph., earlier reported in India only from Western Ghats, (Karnataka and Maharashtra), Gujarat, Rajasthan and elsewhere in world from China, Thailand and Vietnam, has been discovered from southern Brahmaputra flood plains of Assam.
The study provides morphological data of spores of three south Indian species of Asterella Beauv. viz., A.
wallichiana (Lehm. et Lindenb.) Grolle, A. mussuriemis (Kashyap) Kasyap, Asterella khasyana (Griff.) Pande, K.P. Srivast. & Sultan Khan, in relation to the taxonomy of the genus.
There are approximately 700 identified species of carnivorous plants placed in 15 genera of nine families of dicotyledonous plants.
The current distribution of Cajanus lineatus in the forest area of the Western Ghats including Kumbharli Ghat, Mahabaleshwar, Lonavala, Khandala and Sinhgarh, from where the species was reported earlier, was estimated. The extensive exploration of these areas revealed that Cajanus lineatus is facing severe threat of habitat loss/fragmentation due t...
The bryophytes are important part of flora of Nilgiri hills of Western Ghats biodiversity hotspot. This paper is an updated catalogue of Hepaticae of Nilgiri hills. The list included all available records in collections based on authors itself as well as preserved collection in LWU or many other renowned herbaria of the world. The catalogue of the...
Scanning electron microscope analyses of sporoderm of 7 species of 3 genera of
Marchantiales are presented in this study. In the studied species, sporoderm exhibit a broad range
of morphology and have taxonomic specificity. The structurally rigid sporoderms have specific
sculpturing and characteristic patterning. Peculiar architectures are found in...
Status of family Lophoziaceae in India has been discussed in the light of recent investigations and our
own observations on Indian taxa. A total of 19 taxa have been recognised under eight genera including
Isopaches Buch., Lophozia (Dumort.) Dumort., Schistochilopsis (N. Kitag.) Konstant., Anastrepta (Lindb.)
Schiffn., Anastrophyllum (Spruce) Schif...
Leptolejeunea (Spruce) Schiffn. has been reported for the first time from Indian main land from Gibbon Wildlife Sanctuary, Jorhat, Assam. The paper provides its detailed taxonomic description with the note on present status and distribution.
Leptolejeunea subdentata Schiffn. ex Herzog, has been reported as new to Meghalaya from Khasi Hills of Meghalaya. The paper provides its detailed taxonomic description with the note on their status and distribution.
The interesting sac-bearing species P. bantamensis is added here to the liverwort flora of the Indian mainland from Assam, a part of the Indo-Burmese biodiversity hotspot. It was earlier recorded in the Nicobar Islands for India. Incidentally, the subgenus Metaplagiochila, under which the species falls, is a new record for the Indian mainland as we...
In sexually reproducing organisms, two different species are always separated by reproductive isolating mechanism, which limits or prevents the interchange of genes between them. the foucs here is on the reproductive isolation which is a key mechanism in the process of speciation or origin of species. Reproductive barriers or isolating mechanism oc...
Scanning electron microscope analyses of sporoderm of 7 species of 3 genera of Marchantiales are presented in this study. In the studied species, sporoderm exhibit a broad range of morphology and have taxonomic specificity. The structurally rigid sporoderms have specific sculpturing and characteristic patterning. Peculiar architectures are found in...
A survey based, preliminary, alphabetically arranged checklist of hepatics of
Hoollongapar Gibbon Sanctuary of Assam is presented including 17 taxa reported for the first time
in the sanctuary area. Relevant details of all the 27 species along with their distribution are also
provided.
Reproductive biology of Uraria picta (Jacq.) ex DC., a vulnerable medicinal legume, was studied in detail including floral phenology, floral biology, fruit and seed set, breeding system and pollinator's activity. Various breeding experiments were conducted in the field to determine the self and geitonogamy+xenogamy pollination output and pollinator...
A new species of Lejeunea, L. srivastavae, is described and illustrated as new to science from central part of Nilgiri Mountains of Western Ghats, a global biodiversity Hotspot, India. The species is characterized by large plants size, pale greenish to yellowish green colour, imbricate leaves with large leaf-lobule, contiguous - distant underleaves...
An extremely rare liverwort (Hepaticae) viz. Southbya gollanii Steph. is described from India and assessed for its status according to the guidelines of IUCN for bryophytes.
Problem statement: The Niger Delta Nigeria stands among the worlds best-studies delta complexes but its superficial deposits are among the poorest known publicity. In spite of continuous oil prospecting production in the area, there is still a paucity of published information and data on the palynology of the Niger Delta. This study aimed at recons...
Evidence of seed sterility in wild and cultivated Rauvolfia serpentina growing in different provenances of India were studied. Because selfing is common in R. serpentina, inbreeding depression is generally most likely responsible for the seed sterility. The present study revealed that seed sterility was comparatively high in all the seed samples of...
Abstract Jatropha tanjorensis, an interspecific hybrid between Jatropha curcas and Jatropha gossypifolia, is reported to be a sterile hybrid, which has drastically limited its natural propagation. To determine the probability of existing sterility, floral biology was carried out in 30 trees of six accessions during 2007–2008. The results were explo...
Four taxa of Plagiochila, P. detecta Grolle et So, P. defolians Grolle et So, P. perserrata Herz. and P. hattorii Inoue have been described for the first time from Indian territory. Report of P. detecta from India also introduces the section Cobanae in India. Plagiochila hattorii, which was earlier treated under P. parvifolia Lindenb., is considere...
Variable duration of different reproductive phenophases of 16 accessions of Moringa oleifera Lamk. (Moringaceae), a valuable and multipurpose plant of India were investigated. The investigations were concentrated on different phenophases starting from anthesis to seed maturation, in respect to fruit and seed set. the study revealed that initiation...
Plagiochila palangiensis sp. nov. (sect. Abietinae) is described as new to science from Palangi, Kodaikanal (Tamil Nadu). This species belongs to section Abietinae of subgenus Plagiochila and differs from the known species of the section and the closely allied species, P. norfolkiensis St. and the only member of the section in India, P. peradenyens...
Plagiochila meghalayensis sp. nov. described from Elephant falls, Shillong (Meghalaya), differs from the closely allied species P. gymnoclada S. Lac. in colour, never ampliate leaf margin, exposed ventral stem surface and perianth shape.
A new species of Metzgeria, M. sikkimensis is described from Sikkim Himalayas, India. This species can be distinguished by the presence of 18-27 cells broad wing on the either side of mid-rib, broad and obtuse apex, 2/2(-3) rows of epidermal cells on mid-rib, monoecious sexuality, 'M. furcata' type capsule wall and absence of gemmae. Though it show...
Questions
Question (1)
I have found a Riccardia sp. in Himalayas with comparatively larger epidermal cells than the medullary cells (in stem section), however seems different from recently described R. elizabethae primarily due to lack of trigones in cells. Further, the epidermal cells shows brown pigmentation also. Can someone please inform about any other species with these character and suggest any reference about the same.
