Description: Woody climbers.
Leaves compound, alternate, imparipinnate; stipules small, persistent or caducous.
Inflorescences pseudoracemes or pseudopanicles, axillary or terminal; bracts and bracteoles small, persistent or caducous. Calyx tube truncate or shortly toothed. Standard ± circular; wings and keel about same length. Stamens 10, monadelphous; anthers uniform. Ovary hairy; ovules 8–11.
Pod compressed, papery, indehiscent, upper suture or both sutures narrowly winged; seeds 1–4, compressed, circular to reniform, arillate.
Distribution and occurrence: World: 14 species, from India to Myanmar, China, Thailand, Laos, South-East Asia to Papua New Guinea and Australia: 4 species (all endemic), Qld, N.S.W.
Previously included in either Derris or Solori. Historically included in Wisteria.
Text by R.L. Barrett, March 2025
Taxon concept: Cooper WE et al. (2024) A revision of Derris and Brachypterum (Leguminosae subfamily Papilionoideae) in Australia. Australian Systematic Botany 37, SB23030. doi:10.1071/SB23030
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