Scandent shrubs; young branches terete, densely yellowish brown appressed pubescent, mature branches dark brown, glabrous, lenticellate. Stipule ovate, minute, deciduous; petiole thick, ca. 6 mm, canaliculate adaxially, glabrate; leaf blade lanceolate, oblong, or ovate, 7.5-12 × 3-4.5 cm, leathery, both surfaces glabrous, midrib abaxially sparsely pubescent, base broadly cuneate to rounded, abaxially with 2 glands, margin slightly recurved, apex long acuminate; lateral veins 5 or 6 pairs. Racemes axillary or terminal, 4-6 cm, appressed pubescent, 4-10-flowered; pedicels 10-15 mm, articulate proximally or rarely at middle; bracteoles subulate-lanceolate. Sepals elliptic, 4-5 × ca. 3 mm, densely pubescent, apex rounded; gland ovate-oblong, 3-4 mm, ca. 1/4 adnate on pedicel. Petals white with pink, subrotund, 10-11 × ca. 9 mm, apex rounded, base clawed, pubescent, margin very shortly dentiform-fimbriate. Stamens differing in size, longest ca. 10 mm, others 5-7 mm; anthers ovate. Ovary pubescent; style circinate, ca. 1.2 cm. Samara body densely appressed pubescent, wings sparsely hirsute pubescent, abaxial wing obovate-oblong, 2.5-3 × ca. 12 mm, apex rounded, retuse, lateral wings linear-lanceolate, ca. 13 × 5-6 mm. Fl. Mar-Apr, fr. Apr-May.
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