Bryonin :: Bryonin (n.) A bitter principle obtained from the root of the bryony (Bryonia alba and B. dioica). It is a white, or slightly colored, substance, and is emetic and cathartic..
Bryony :: Bryony (n.) The common name of several cucurbitaceous plants of the genus Bryonia. The root of B. alba (rough or white bryony) and of B. dioica is a strong, irritating cathartic..
Polyembryony :: Polyembryony (n.) The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac..