A genus of gamopetalous plants, of the order <em>Apocynaceæ</em>, tribe <em>Echitideæ</em>, and subtribe <em>Nerieæ.</em>
User Defined Definitions
"any of various shrubs or small trees of the genus Strophanthus having whorled leaves and showy flowers of various colors in dense and corymbose clusters; some have poisonous seeds"