-thəs noun
Etymology: New Latin, from Greek strophos twisted band + New Latin -anthus; from the twisted segments of the corolla — more at strophe
1. capitalized : a genus of tropical Asiatic and African trees, shrubs, or woody vines (family Apocynaceae) that have showy flowers with a glandular calyx and a tubular corolla with five appendaged and twisted lobes and include several African forms with poisonous seeds as well as forms (as S. kombé ) that furnish strophanthin
2. -es : the dried cleaned ripe seeds of any of several plants of the genus Strophanthus (as S. kombé and S. hispidus ) that are in moderate doses a cardiac stimulant like digitalis but in larger doses a violent poison and that have strophanthin as their most active constituent