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A taxonomic revision of Petopentia (Apocynaceae: Periplocoideae)
2013
South African Journal of Botany
The generic name Petopentia Bullock is reinstated. Two species are recognized, namely Petopentia natalensis (Schltr.) Bullock, first described in 1894, and Petopentia undulata, a new species. Both species are found in the subtropical eastern region of South Africa, P. natalensis being associated with moist forest and P. undulata with drier lowveld savanna. Both species are climbers with root tubers, glabrous plant parts, glossy patently veined leaves with petioles and abaxial surfaces purple,
doi:10.1016/j.sajb.2013.09.004
fatcat:ah4he3epyfgsxl4vnclypnxebu