sentences:  The specific epithet, ""curcas"", was first used by Portuguese doctor Garcia de Orta more than 400 years ago.Common names in English include physic nut, Barbados nut, poison nut, bubble bush or purging nut.In parts of Africa and areas in Asia such as India it is often known as "castor oil plant" or "hedge castor oil plant", but it is not the same as the usual castor oil plant, "Ricinus communis" (they are in the same family but different subfamilies).