horse cassia

(noun) East Indian tree having long pods containing a black cathartic pulp used as a horse medicine. Synonyms: horse cassia, Cassia roxburghii, Cassia marginata.

(noun) tropical American semi-evergreen tree having erect racemes of pink or rose-colored flowers; used as an ornamental. Synonyms: pink shower, pink shower tree, horse cassia, Cassia grandis.