Physostigma
Introduction '''''Physostigma''''' is a genus of flowering plants in the family Fabaceae. It includes five species of erect or climbing herbs and subshrubs native to sub-Saharan Africa. They grow in tropical swamp and riverine vegetation and seasonally-dry forest, open woodland, and grassland in the Guineo-Congolian and Zambezian regions. The genus belongs to subfamily Faboideae.Species in the genus include:* ''Physostigma coriaceum'' Merxm. * ''Physostigma cylindrospermum'' (Welw. ex Baker) Holmes* ''Physostigma laxius'' Merxm. * ''Physostigma mesoponticum'' Taub. * ''Physostigma venenosum'' Balf.
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