Lianas to 4 m. Branches pale gray, pubescent along 2 lines. Petiole 1-1.5 cm; leaf blade elliptic to oblong-lanceolate, 5.5-10 × 1-3.5 cm, thin papery, glabrous, base broadly cuneate, apex long acuminate; lateral veins ca. 7 pairs. Cymes many flowered; peduncle 3-4 cm. Pedicel ca. 1 cm, pubescent. Sepals oblong-ovate, ca. 3 × 1 mm, pubescent. Corolla greenish, salverform; tube ca. 7 mm, dilated at base, glabrous outside; lobes oblong-falcate, ca. 10 × 3 mm. Corona lobes reaching base of anthers, with raised keel on back, apex subobtuse. Anthers subquadrangular, appendages oblong, longer than stigma head; pollinia oblong. Stigma head umbonate. Fl. May.
Home