Lianas, new growth densely ferruginous sericeous. Petioles 6-10 mm, canaliculate, ferruginous pubescent; leaf blade ovate, obovate, or broadly elliptic, 6-11 × 4-6.5 cm, thinly papery, ferruginous pubescent abaxially along midrib, base rounded or subcordate, apex shortly acuminate; lateral veins ca. 4 pairs, arcuate, veinlets reticulate. Panicles terminal or axillary, ca. 15 cm; pedicels 2-2.5 mm, ca. 15 mm in fruit, proximally articulate, above articulation pubescent; basal bracteoles 2, lanceolate. Sepals elliptic, ca. 1 mm, pubescent. Petals elliptic, ca. 3 × 1.5 mm, apex rounded. Stamen filaments ca. 2 mm. Ovary glabrous; stigma capitate. Samara ovate-elliptic, 4.5-5 × 1.5-2.2 cm. Seed linear, ca. 1 cm. Fl. Aug-Sep, fr. Oct-Nov.
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