Description from Flora of China
Climbers dioecious. Flowering stems 2-3 mm thick, furrowed, densely villous. Petiole ca. 2 mm, densely hispidulous; prophylls 1-1.5 mm; leaf blade oblique-ovate, 11-14 × 6.5-8.5 cm, membranous, densely finely glandular, abaxially densely pubescent usually along veins, adaxially sparsely hispidulous, base obliquely auriculate-cordate, basal sinus 1-2 mm wide on side of longer and wider lobe, 4-5 mm wide on other side, bilateral difference to 2-3 mm, apex cuspidate and mucronate; veins 8 or 9, apical pair arising 1-2 cm above base, alternate, reaching leaf apex, others basal; reticulate veins conspicuous, veinlets transverse. Male spike not seen. Female spikes leaf-opposed, ca. 3 cm × 4 mm at anthesis; peduncle ca. 2.5 cm, hispidulous; rachis pubescent; bracts suborbicular, stalk short, ca. 1 mm in diam., not entire, adaxially pubescent. Ovary ovoid, distinct; stigmas 4, reflexed, filiform, ca. 1 mm or longer. Drupe not seen. Fl. Nov.
* Wet places within forests; circa 1000 m. W Yunnan