Taxonomic Studies on some species of genus Huernia R.Br. (Asclepiadaceae) growing in AL-Taif Province, Saudi Arabia

Document Type : Original Article

Authors

1 Faculty of Science - Botany department- Cairo University, Egypt

2 Applied Faculty of Science, Biology Department- Umm Al-Qura University, Saudi Arabia

Abstract

Morphological characters of Huernia (Asclepiadaceae) play
an important role in taxonomic identification. The present
work is a revision of the taxonomic relationships based on
morphological criteria of Huernia species growing in Wadi
Thi-Ghazal or Al-Ghazal in the Al-Shafa region in Al-Taif
province (SW Arabia). The objective was describing and
scientifically authenticating the exotic species in the study
area. The present revision revealed the presence of eight taxa
belonging to Huernia from Asir area, three of these taxa were
previously described, two are closely related to H.
khalidbinsultanii Plowes & McCoy, and three are unresolved
taxa.

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