Stems woody. Leaf rachis 4-13 cm; leaflets 7-9; petiolules 5(-10) mm; blade ovate to ovate-lanceolate, 3-6(-9) X 1.5-3(-5) cm, glabrous, base broadly cuneate, margin serrate, apex caudate-acuminate; lateral veins 6 or 7 on each side ofmidrib. Inflorescences short paniculate, terminal; peduncle 15-20 cm. Calyx campanulate, ca. 3 cm, divided halfway; lobes lanceolate, ca. 1.5 cm. Corolla red adaxially, orange-red abaxially, ca. 5 cm; lobes semirounded. Stamens inserted at base of corolla tube; filaments linear, 2-2.5 cm; anthers divergent, yellow. Style linear, ca. 3 cm; stigma compressed, 2-lobed. Capsule apex obtuse. Fl. May-Aug. 2n = 36, 38, 40.
Deciduous woody climber. Shoots glabrous. Leaflets 7-9, elliptic ovate, 30-35 x 17-30 mm, serrate, acuminate or shortly so. Calyx 12-13 mm long, 5-partite; lobes triangular-ovate, subacuminate. Corolla orange. Filaments of longer stamens 30 mm long. Capsule 12.5-15 x 0.8 cm. Seeds 4.5 x 20-22 mm; wing white-hyaline, transversely laciniate.
