Swaziland's Flora Database:
Pentarrhinum abyssinicum Decne. subsp. angolense (N.E.Br.) Liede & Nicholas
(name current 2016)
Growth form: Climber
Description (Compton's Flora of Swaziland*):
Pentarrhinum insipidum - Slender branching twiner, thinly downy throughout. Leaf-stalk up to 2,5 cm long; blade broadly oval, heart-shaped at base, tip finely pointed, c 5 cm long x 3 cm wide. Inflorescence lateral, irregularly branched or umbel-like. Corolla lobes reflexed, c 5 mm long, edges fringed with minute hairs, white; corona lobes c 3 mm long, funnel-shaped with infolded margins and horn directed towards or over anthers, which have a membranous flap over end of column; pollen masses single hanging by short stalks..
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.