Lianoid shrubs; young branches densely pubescent, old branches brown, with rounded lenticels. Petiole 5-6 mm, puberulent; leaf blade elliptic or ovate-elliptic, 11-13 × 3-5.5 cm, both surfaces glabrous, except abaxially pubescent along midrib, base cuneate, apex long acuminate; lateral veins 6-9 pairs. Racemes terminal, ca. 11 cm, puberulent. Sepals oblong, puberulent; gland oblong, not decurrent to pedicel. Samara puberulent, apex entire or irregularly serrate, abaxial wing oblong, ca. 4 × 0.8 cm, lateral wings oblong, ca. 2.8 × 1 cm. Fr. May-Jun.
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