Chamaecrista absus (syn.

Cassia absus), the pig's senna or tropical sensitive pea, is a species of flowering plant in the family Fabaceae, with a worldwide distribution in the tropics and subtropics.

[1][2] An annual herb reaching 60 cm (24 in), it is a common weed of cultivated and waste places, and its seeds are regularly harvested and sold for use in traditional medicine in Africa and Asia.

[3] The following varieties are accepted:[1]

This Caesalpinioideae-related article is a stub.