距瓣豆属（学名：Centrosema）是蝶形花科下的一个属，为灌木或草本植物。该属共有约50种，分布于美洲。

Centrosema, the butterfly peas, is a genus of (mainly tropical) American vines in the legume family (Fabaceae). Species include:

Lepidopteran caterpillars that feed on butterfly peas include the Two-barred Flasher (Astraptes fulgerator), occasionally recorded on C. macrocarpum and C. plumieri at least.