Shrub, 2-4(-7) m tall. Stem glabrous or minutely pubescent on upper internodes. Prophyll covering shoot apex, 3-8 mm long. Petiole slender, 0.5-1 cm long, vaginate up to middle, glabrous or pubescent; blade lanceolate to rounded or subobovate, 8-11(-15) x 2.5-6(-10) cm, apex acuminate, base equally attached to petiole, acute to subcordate, glabrous or pubescent on veins below; palmately 5-7-veined, tertiary venation obscure. Inflorescence erect; peduncle 0.8-1.5 cm long, glabrous; spike 6-7 cm long, not apiculate; rachis minutely pubescent; floral bracts cucullate, glabrous; thecae divergent, dehiscing partially upward. Fruits ovoid, conical to apex, 1.5-2 mm long, ca. 1 mm in diam., glabrous or papillose, stigmas 3-4, sessile.
A vine or shrub. It can grow 1-4 m tall. The leaves are 5-13 cm long by 3-8 cm wide. The fruit are oval and 1.5-2 mm long.