Kadry Abdel Khalik

• Professor of Plant Taxonomy
• Professor (Full) at ٍSohag University

Seed coat morphology of 34 species of Matthiola R.Br. has been studied using light and scanning electron microscopy to assess their investigative value for systematic studies. Macro‐ and micromorphological characters, including seed shape, color, size, wing, and radicle position relative to cotyledons, epidermal cell shape, anticlinal boundaries, a...

Genetic investigation and phylogenetic analyses of 21 species, representing 8 genera of the subfamily Malvoideae from Saudi Arabia, were carried out by using Start Codon Targeted (SCoT), Inter Simple Sequence Repeats DNA (ISSR), and combined ISSR and SCoT markers. Ten SCoT and five ISSR primers created 138 polymorphic amplified fragments, which poi...

In this study, we explored the capacity for two promising macrophytes, Typha domingensis and Typha elephantina, to be used for the surveillance of contamination by six metals, i.e., Cu, Fe, Mn, Ni, Pb, and Zn, in the mountainous area of Taif City in Saudi Arabia. Regression models were generated in order to forecast the metal concentrations within...

In this study, we explored the capacity for two promising macrophytes, Typha domingensis and Typha elephantina, to be used for the surveillance of contamination by six metals, i.e., Cu, Fe, Mn, Ni, Pb, and Zn, in the mountainous area of Taif City in Saudi Arabia. Regression models were generated in order to forecast the metal concentrations within...

In this study, we evaluated the taxonomic significance and seed macro and micromorphological characteristics of 28 species belong to eight genera of subfamily Malvoideae (Malvaceae) from Saudi Arabia. The genotypes were studied using light and scanning electron microscope (SEM). Macro-and micromorphological characters of the seeds are presented, in...

Plectranthus is a genus of the Lamiaceae family that includes many species of medicinal and agricultural importance. However, this genus has been the subject of taxonomic debate and contains species that are difficult to distinguish. The present study focused on six Plectranthus species commonly found in Saudi Arabia: P. arabicus, P. tenuiflorus, P...

Pollen morphology of 20 species belong to seven genera (Abutilon, Althaea, Hibiscus, Malva, Pavonia, Senra and Sida) of Malvaceae from Saudi Arabia were studied by using light microscope (LM) and scanning electron microscope (SEM). Quantitative and qualitative pollen morphological characters which vary among investigated taxa are found in the polle...

Plectranthusis a genus of the Lamiaceae family that includes many species of medicinal and agriculturalimportance. However, this genus has been the subject of taxonomic debate and contains species that aredifficult to distinguish. The present study focused on sixPlectranthusspecies commonly found in SaudiArabia:P. arabicus,P. tenuiflorus, P. barbat...

The purpose of the current study was to determine the phylogenetic relationships between the Arabis alpina L. growing naturally in Afro-Alpina Mountains at south western regions of the Kingdom of Saudi Arabia (KSA) and its closely related species. A case study approach was applied to DNA barcode, secondary internal transcribed spacer (ITS2), chloro...

The purpose of the current study was to determine the phylogenetic relationships between the Arabis alpina L. growing naturally in Afro-Alpina Mountains at south western regions of the Kingdom of Saudi Arabia (KSA) and its closely related species. A case study approach was applied to DNA barcode, secondary internal transcribed spacer (ITS2), chloro...

In this study, the micromorphological characters of 17 species belonging to seven genera of family Malvaceae, collected from different localities in Saudi Arabia were examined. These characters used in analysing the relationship among the studied species viz., outline of stem, petiole and lamina in cross section, trichomes, crystals, ducts, starsha...

The present study investigated the ability of two emergent macrophytes Typha elephantina and Typha domingensis for accumulation of six heavy metals in an arid habitat in Saudi Arabia. Plant samples (aboveground shoot and belowground root and rhizome) as well as sediment samples were collected and analyzed. Regarding the variation in sediment charac...

The present study investigated the ability of two emergent macrophytes Typha elephantina and Typha domingensis for accumulation of six heavy metals in an arid habitat in Saudi Arabia. Plant samples (aboveground shoot and belowground root and rhizome) as well as sediment samples were collected and analyzed. Regarding the variation in sediment charac...

Background and Objective: Wadi Fatimah creates in the Hijaz mountains of Saudi Arabia. It runs about 70 km long across the territory of the Tihamah coastal plain west of the mountain chain at elevations ranging between 0 to 500 m. It is one of the most important wadi which runs between Makkah and Jeddah. The importance of the phytogeography of Saud...

The genetic diversity and phylogenetic analyses of seven species of the genus Plectranthus (Lamiaceae) from Saudi Arabia were carried out by using the Inter Simple Sequence Repeats (ISSR), Randomly Amplified Polymorphic DNA (RAPD), and combined ISSR and RAPD markers. Ten RAPD primers and five ISSR primers generated 137 polymorphic amplified fragmen...

The present study aimed to determine floristic composition, the structure of the vegetation, and species distribution at 16 sample plots in Wadi Fatimah, Mecca, Saudi Arabia, highlighting the ecological factors that affect species distribution. The study revealed 100 plant species belonging to 34 families. Fabaceae and Poaceae were the dominant fam...

Some plants used in Saudi folk medicine have little data about their phytochemical constituent. The HPLC-PDA profile of phenolic constituents, GC-MS composition of essential oil and DPPH antioxidant capacity were performed for six Plectranthus species (P. arabicus, P. asirensis, P. pseudomarrubioides, P. barbatus, P. hijazensis and P. aegyptiacus)...

Seed coat morphology of 13 species of Plectranthus L. in Arabian Peninsula was comparatively examined using scanning and light microscopy methods. The diagnostic values for systematic were studies. Macro- and micro-morphological characteristics, including seed shape, colour, size, seed surface, epidermal cell shape, anticlinal boundaries, and peric...

This study aims to investigate the morphology and ultrastructure characters of pollen grains and trichomes in order to evaluate their systematic value of these characters in specific and intraspecific separation of the Saudi Arabian Plectranthus species. A critical systematic revision of 7 species of Plectranthus (Lamiaceae) in Saudi Arabia was con...

Plectranthus hijazensis Abdel Khalik (Lamiaceae) is described as a new species from Al-Baha Province in Saudi Arabia. Information given on the new species includes a taxonomic description and its affinity to Plectranthus asirensis L. A key to Plectranthus species of Saudi Arabia is provided, and the relationships of the species and the relevant mor...

The spread of respiratory tract infections, especially with resistant organisms, makes it urgent to search for new safe antimicrobial agents. Makkah city in Saudi Arabia is always crowded due to pilgrims & Muslim visitors for Hajj and Omra. This facilitates the rapid spread of infectious respiratory diseases. The essential oil of Nepeta deflersiana...

A comparative anatomical study of the Plectranthus species growing in Saudi Arabia by using light microscopy method in order to evaluate their diagnostic value for systematic studies. Macro- and micromorphological characters, including stem, leaf, petiole anatomical, and trichome structures are presented. Descriptions of stem shape in cross-section...

Mediterranean chromosome number reports – 25 edited by G. Kamari, C. Blanché & S. Siljak-Yakovlev Abstract Kamari, G., Blanché, C. & Siljak-Yakovlev, S. (eds): Mediterranean chromosome number reports – 25. — Fl. Medit. 25: 143-167. 2015. — ISSN: 1120-4052 printed, 2240-4538 online. This is the twenty-fifth of a series of reports of chromosomes numb...

To evaluate their diagnostic value in systematic studies, seed coat morphology for 16 taxa from 11 genera of Cucurbitaceae were examined using stereomicroscopy and scanning electron microscopy. The taxa included representatives of the tribes Benincaseae, Bryonieae, Coniandreae, and Luffeae in order to evaluate their diagnostic value in systematic s...

The need for biodiversity conservation in Saudi Arabia has become a rising priority, where good practice and scientific knowledge is highly required. The current mountain biodiversity database has large gaps, with data for some groups of organisms missing completely for some regions. The present study provides surveys the flora of Al-Baha region an...

Seed morphology of 29 taxa including 9 subgenera belonging to the genus Veronica was compared using scanning electron microscopy to assess their diagnostic value for systematic studies. Subgenus Beccabunga is the largest in this study represented by 9 taxa. Seed surface often varies from ridged reticulate or verrucose/granulate reticulate to rugose...

Genetic diversity and phylogenetic analyses of 24 species, representing nine sections of the genus Galium (Rubiaceae), have been made using the Inter Simple Sequence Repeats (ISSR), Randomly Amplified Polymorphic DNA (RAPD), and combined ISSR and RAPD markers. Four ISSR primers and three RAPD primers generated 250 polymorphic amplified fragments. T...

Genetic diversity and phylogenetic analyses of 24 species, representing nine sections of the genus Galium (Rubiaceae), have been made using the Inter Simple Sequence Repeats (ISSR), Randomly Amplified Polymorphic DNA (RAPD), and combined ISSR and RAPD markers. Four ISSR primers and three RAPD primers generated 250 polymorphic amplified fragments. T...

To evaluate their diagnostic value in systematic studies, seed coat morphology for 16 taxa from 11 genera of Cucurbitaceae were examined using stereomicroscopy and scanning electron microscopy. The taxa included representatives of the tribes Benincaseae, Bryonieae, Coniandreae, and Luffeae in order to evaluate their diagnostic value in systematic s...

The seed morphology and seed proteins of 11 Vicia taxa from Egypt were studied. Macro- and micro-morphological characters, including seed shape, color, size, hilum shape and seed sculpture were described and analyzed. The secondary sculpture of the cell wall varies from papillose in nearly all Vicia species to lophate in V. hirsuta. Further, the se...

Wadi Noman in Mecca is one of the most important wadis. It was included in the most important water sources where the spring and wells of Zobida were running. It was providing the holy places in Mecca with drinking water for visitors of Kaaba and Arafat regions. The present study provides an analysis of floristic composition, vegetation types as we...

Seed coat morphology of 15 species of Ipomoea L.was examined comparatively using scanning and light microscopy methods in order to evaluate their diagnostic value for systematic studies. Macro- and micromorphological characters, including seed shape, colour, size, seed surface, epidermal cell shape, anticlinal boundaries, and periclinal cell wall a...

Seed coat morphology of 15 species of Ipomoea L. was examined comparatively using 2 scanning and light microscopy methods in order to evaluate their diagnostic value for 3 systematic studies. Macro- micro morphological characters, including seed shape, color, 4 size, seed surface, epidermal cell shape, anticlinal boundaries, and periclinal cell...

Three keys to 44 species belonging to the family Convolvulaceae in the flora of Egypt are prepared to facilitate the identification of those species, based on 72 characters. These keys were constructed using the DELTA key-generating programs. The first key was built using all characters and the second key was built using 56 characters (vegetative,...

To elucidate the genetic diversity of ten Ipomoea species, seed proteins were analyzed by SDS-PAGE and RAPD analysis. According to SDS-PAGE analysis, in total 51 different bands were identified across the studied species. The number of bands varies from 16 bands in Ipomoea cairica, to 3 bands in I. sinensis. The similarity analysis based on the SDS...

A numerical taxonomic study of the family Zygophyllaceae from Egypt). A systematic study of 29 taxa belonging to 7 genera of subfamilies Balanitoideae, Zygophylloideae, Peganoideae, Tribuloideae, Seetzenioideae and Tetradiclidoideae of Zygophyllaceae from Egypt was carried out by means of numerical analysis based on sixty-one morphological characte...

Seed and trichome morphology of 13 taxa representing the genus Fagonia in Egypt have been studied using light (LM) and scanning electron microscopy (SEM). Macro- and micro-morphological characters, including seed shape, seed size, seed coat sculpture, trichome density and structure were studied to evaluate their systematic signifi cance. Seed shape...

To elucidate the genetic diversity of ten Ipomoea species, seed proteins were analyzed by SDS-PAGE and RAPD analysis. According to SDS-PAGE analysis, in total 51 different bands were identified across the studied species. The number of bands varies from 16 bands in Ipomoea cairica, to 3 bands in I. sinensis. The similarity analysis based on the SDS...

atmospheric pollution biomonitoring anatomy

Pollen morphology of nine species belonging to four genera: Cephalaria, Pterocephalus, Scabiosa, and Lomelosia of Dipsacaceae in Egypt has been investigated by light microscope (LM) and scanning electron microscopy (SEM). Pollen shape, size, exine ornamentation, number and characters of apertures present powerful characters for distinguishing betwe...

The seed morphology of nine taxa of Juncus from Egypt has been investigated using light and scanning electron microscopy, to determine the importance of seed coat features as taxonomic characters. Macro- and micromorphological characters, including seed shape, color, size, seed appendages, epidermal cell shape, anticlinal boundaries, and outer peri...

Vegetation and soil were sampled in 74 stands representing habitat in the different phytogeographical regions of Egypt where Convolvulus species were recorded. Two Way Indicator Species Analysis (TWINSPAN) classified the vegetation into six groups. Each of them occupied a distinct type of habitats. Convolvulus species are assigned as indicator spec...

On the basis of fifty morphological characters, including vegetative parts, flowers, fruits, seeds, pollen grains, and anatomical structure, a systematic study of 13 taxa belonging to genus Galium (Rubiaceae) from Egypt was conducted by means of numerical analysis. Four branches and clusters were distinguished. Representatives of these groups were...

A systematic study of 44 taxa belonging to 10 genera of tribes Convolvuleae, Cuscuteae, Cresseae, Dichondreae, Ipomoeeae and Merremieae of the Convolvulaceae from Egypt was carried out by means of a phenetic analysis based on seventy one morphological characters, including vegetative parts, pollen grains and seeds. Based on UPGMA clustering and PCO...

Transverse stem sections of 11 species and 2 subspecies of the genus Galium L. from Egypt were studied by light microscopy. Epidermal cell shape, cortex, xylem, and pith were of good taxonomic value between the taxa. Four types of stem shape were discerned in the transverse sections. The shape of epidermal cells can be used to distinguish between s...

Fruit (mericarp) and seed morphology of 11 species and two subspecies of Galium were examined with light microscope and scanning electron microscope. Macro-and micro- -morphological characters, including fruit and seed shape, colour, size, surface, epidermal cell shape, anticlinal boundaries, outer periclinal cell wall and relief of outer cell wall...

A pollen morphological investigation of eleven species and one subspecies of the genus Galium L. from Egypt were undertaken by using light microscope (LM) and scanning electron microscope (SEM). Pollen shape, size, exine ornamentation, number of apertures present powerful characters for distinguishing between species. The pollen grains were zonocol...

Seed morphology of 31 taxa belong to six genera of Convolvulaceae from Egypt were examined by using light and scanning electron microscopy. Macro- and micromorphological characters, including seed shape, colour, size, surface, epidermal cell shape, anticlinal boundaries, outer periclinal cell wall and relief of outer cell walls, are presented. Thre...

In Brassicaceae a new combination is made: Nasturtiopsis integrifolia (Boulos) Abdel Khalik & Bakker, and in Rubiaceae Cruciata articulata (L.) Ehrend. is a new record for the flora of Egypt. Descriptions, photographs, useful differential morphological characters, and a distribution map are given. Problems of nomenclature and synonymy are discussed...

The seed morphology of eight taxa of Cuscuta from Egypt has been studied using light and scanning electron microscopy, to determine the significance of seed coat features as taxonomic characters. Macro- and micromorphological characters, including seed shape, colour, size, epidermal cell shape, anticlinal boundaries, outer periclinal cell wall and...

Los recientes análisis de secuencias de la región trn (ADNcp) para la Tribu Matthioleae resolvieron un probable origen geográfico del grupo en la región Irano-Turaniana, pero también apuntaron la necesidad de ampliar el muestreo y el número de caracteres moleculares informativos (Jaén et al. 2004). En esta investigación con un muestreo taxonómico y...

The floristic composition and phytogeographical analysis of the Gebel Elba National Park in the south-east corner of Egypt were studied using multivariate analysis techniques. Its flora was poorly documented; therefore, 5 recent expeditions between 1998 and 2004 were carried out, which resulted in the collection of 179 species that belong to 51 fam...

POLLEN morphology of 34 species representing eight genera of Convolvulaceae was investigated using light and scanning electron microscopy. Three pollen types were recognized viz. Tricolpate pollen type, Pantocolpate pollen type and Pantoporate pollen type. Description of each type, a key to the investigated taxa as well as LM and SEM micrographs of...

POLLEN morphology of 34 species representing eight genera of Convolvulaceae was investigated using light and scanning electron microscopy. Three pollen types were recognized viz. Tricolpate pollen type, Pantocolpate pollen type and Pantoporate pollen type. Description of each type, a key to the investigated taxa as well as LM and SEM micrographs of...

Trichomes morphology, structure, and taxonomic significance of 82 species belonging to 9 tribes of Brassicaceae from Egypt were studied using light microscopy (LM) and scanning electron microscopy (SEM). This work was largely based on herbarium material in addition, fresh material of most of the taxa was studied. A total of twelve trichome types co...

 A systematic study of 45 taxa belonging to 23 genera of tribes Arabideae, Euclidieae, Hesperideae, Lunarieae, Matthioleae and Sisymbrieae of Brassicaceae from Egypt was conducted by means of numerical analysis based on sixty two morphological characters, including vegetative parts, pollen grains and seeds. On the basis of UPGMA clustering and PCO...

Pollen morphology of 39 species belonging to 23 genera of the tribes Arabideae, Euclidieae, Hesperideae, Lunarieae, Matthioleae and Sisymbrieae from Brassicaceae from Egypt were studied by using scanning electron microscope (SEM). The pollen grains were tricolpate. Their shape varies from prolate spheroidal, subprolate to prolate. Three pollen type...

Seed morphology of 45 taxa belonging to 23 genera of Brassicaceae were examined using light and scanning electron microscopy. The taxa included representatives of the tribes Arabideae, Euclidieae, Hesperideae, Lunarieae, Matthioleae, and Sisymbrieae, which all occur in Egypt. Macro- and micromorphological characters, including seed shape, colour, s...

"Propositions" inserted. Thesis (doctoral)--Wageningen Universiteit, 2002. Includes bibliographical references (p. 260-274).

The present work deals with a systematic investigation of 45 taxa belonging to 23 genera of the tribes Arabideae, Euclidieae, Hesperideae, Lunarieae, Matthioleae and Sisymbrieae of the family Brassicaceae from Egypt. This work is largely based on herbarium material received on loan from B, BM, BR, E, HUJ, K, KSU, L, LY, NMGM, OXF & FHO and W, and c...

Seed morphology of 45 taxa belonging to 23 genera of Brassicaceae were examined using light and scanning electron microscopy. The taxa included representatives of the tribes Arabideae, Euclidi­ eae, Hesperideae, Lunarieae, Matthioleae, and Sisymbrieae, which all occur in Egypt. Macro­ and micromorphological characters, including seed shape, colour,...