Sectio Tubicalyx

Authors: Wunderlin, Larsen & Larsen

Morphological description
Tendrilled lianas.

Leaves entire. Hypanthium turbinate. Calyx campanulate, 5-dentate, open at apex before anthesis; nectariferous disc absent. Fertile stamens 3; anthers opening by a longitudinal slit.

Pod woody dehiscent.

Seeds with short funicular aril-lobes.

4 species in SE Asia, 2 species in Malesia : Bauhinia strychnoidea and Bauhinia tubicalyx .