Venter & D.V.Field 1990 - Venter HJT, Field DV (1989) A new species of Stomatostemma (Periplocaceae) from Mozambique, Africa. Botanical Journal of the Linnean Society 99(4): 397-400. doi: 10.1111/j.1095-8339.1989.tb00411.x.
There is no corrections for Stomatostemma pendulina yet.