Woody lianas; branchlets spreading, subterete, densely ferruginous tomentose. Petiole 7-10 mm, ferruginous hirsute; leaf blade broadly ovate or ovate-orbicular, 8-10 × 5-7 cm, thinly papery, abaxially densely ferruginous tomentose, adaxially glabrous, small concave punctate, base rounded or slightly cordate, apex shortly acuminate; lateral veins 6 pairs, arcuate, hirsute. Racemose panicles terminal or axillary, up to 25 cm, ferruginous pubescent; peduncles ca. 6 cm, up to 15 cm in fruit; bracts hirsute; pedicels fasciculate, slender, articulate, 4-6 mm. Sepals elliptic or elliptic-obovate, ca. 1.5 × 1 mm. Petals obovate, 4-5 × ca. 2 mm. Stamen filaments connate at base, glabrous; anthers broadly elliptic, ca. 1 mm. Ovary sparsely hirsute; style ca. 2.5 mm, glabrous; stigma capitate, subglobose. Samara narrowly oblong, 3.5-4 × 1.5-1.8 cm, sparsely reticulate veined, glabrous; fruit stalk 1.5-2 cm. Fl. Aug-Oct, fr. Oct-Dec.
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