Flora and Phytochorolgy of Lahij Governorate of Yemen: 2- Taxonomic Revision of Corchorus L. (Grewioideae - Malvaceae sensu lato) in Toor Al-Baha District

Alharbi, Samah A.; Al-Hawshabi, Othman S.S.; Badry, Mohamed O.

doi:10.21608/ejbo.2023.212965.2345

	Flora and Phytochorolgy of Lahij Governorate of Yemen: 2- Taxonomic Revision of Corchorus L. (Grewioideae - Malvaceae sensu lato) in Toor Al-Baha District
Egyptian Journal of Botany
Article 21, Volume 64, Issue 1, January 2024, Page 375-385 PDF (1.97 MB)
Document Type: Regular issue (Original Article)
DOI: 10.21608/ejbo.2023.212965.2345
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Authors
Samah A. Alharbi ¹; Othman S.S. Al-Hawshabi ²; Mohamed O. Badry ³
¹Department of Biology, Faculty of Applied Science, Umm Al-Qura University, 24381 Makkah, Saudi Arabia
²Biology Department, Faculty of Science, Aden University, Yemen, P. O. Box 6235, Khormaksar, Aden, Republic of Yemen
³Department of Botany and Microbiology, Faculty of Science, South Valley University, Qena 83523, Egypt
Abstract
This study presents a taxonomic revision of the genus Corchorus L. (tribe Grewieae, subfamily Grewioideae, Malvaceae s.l.) in Toor Al-Baha district, Lahij Governorate, Yemen. The revision is based on about 33 specimens collected from different locations and habitats in the study area. Four species of Corchorus were recognized and identified; three were native to the study area (C. depressus, C. tridens, C. trilocularis), and one was cultivated for its edible leaves (C. olitorius). The morphological characteristics of the vegetative and reproductive parts, such as leaf shape and size, stipule type, flower number and length of the pedicel, and seed shape, colour, and length, were proved to have high taxonomic significance in distinguishing between the four species belonging to the genus Corchorus. An artificial key to the four species, full species descriptions, photos, updated names, synonymy, local names, and distribution maps are provided to facilitate the identification and recognition of these species.
Keywords
Corchorus; Lahij; Malvaceae s.l; Morphological characteristics; Toor Al-Baha; Yemen


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