Chamaecrista is a genus of flowering plants in the pea family, Fabaceae, subfamily Caesalpinioideae. Members of the genus are commonly known as sensitive pea. Several species are capable of rapid plant movement. Unlike the related genera Cassia and Senna, members of Chamaecrista form root nodules.

Chamaecrista comosa, synonymously known as Cassia comosa or Cassia comosa var. lanata is a South African indigenous species found growing in the Eastern Cape, Gauteng and KwaZulu-Natal Provinces in grassland. It grows into a semi-erect perennial to 50cm tall with paired leaves. From summer to autumn it bears bright yellow flowers.