Cyrtoceras
(from kyrtos, curved, and keras, a horn; in allusion to the curved horns of the corona segments). SYN. Centrostemma. ORD. Asclepiadeae. A stove evergreen twiner, now included under Hoya (which see for culture). C. multiflorum (many-flowered). fl., corolla white, tipped with buff, silky inside; segments of corona quite entire on the inner angles; umbels slightly drooping. August. l. almost veinless, oval, acute or acuminated, coriaceous, glabrous. Borneo, 1838. SYNS. (of gardens) C. floribundum, C. Lindleyanum, C. reflexum, Centrostemma multiflorum, and Hoya coriacea.