Physostigma

Physostigma is a genus of flowering plants in the family Fabaceae.^[2] 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.^[1] The genus belongs to subfamily Faboideae.

Physostigma
Physostigma venenosum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Clade:	Millettioids
Tribe:	Phaseoleae
Subtribe:	Phaseolinae
Genus:	Physostigma Balf. (1861)
Species[1]
5; see text

Species in the genus include:^[1]

• Physostigma coriaceum Merxm.
• Physostigma cylindrospermum (Welw. ex Baker) Holmes
• Physostigma laxius Merxm.
• Physostigma mesoponticum Taub.
• Physostigma venenosum Balf.