Shrubs to 10 m tall, climbing. Branchlets appressed pilose when young, glabrescent. Petiole 3-5 mm, appressed pilose; leaf blade oblong to oblong-lanceolate, 8-13 × 3-4 cm, papery, abaxially puberulent, adaxially glabrous, secondary veins 12-14 on each side of midvein and adaxially prominent, base cuneate, apex acuminate. Inflorescences leaf-opposed, 2-5-flowered; peduncle 0.8-1.5 cm, pilose. Pedicel 1.2-1.5 cm, pubescent. Sepals broadly ovate, 3-4 × 3-4 mm, both surfaces pilose. Petals ovate-oblong, ca. 1.5 × 0.6 cm, tawny pubescent. Stamens cuneate, ca. 1.5 mm; connectives apically subtruncate, glabrous. Monocarp stipes 5-7 mm; monocarps oblong, 4.5-5 × 1.5-1.7 cm, apex conspicuously beaked. Seeds 2 per monocarp, flat, ca. 3 × 1.2 cm. Fl. Aug-Sep, fr. Oct.
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