Climbing shrubs, large, deciduous. Floral branchlets rusty-and glandular-tomentose in part, glabrous when fruiting, with conspicuous lenticels; pith brown, lamellate. Petiole 2.5-5 cm, glabrous; leaf blade abaxially glaucous, adaxially green, lanceolate-ovate to broadly ovate, 7-14 × 4.5-6.5 cm, papery, abaxially glabrous or slightly rusty-and glandular-tomentose on midvein and lateral veins when young, adaxially glabrous, base cordatulate or truncate, slightly decurrent, or broadly cuneate, margin conspicuously crenate, apex acuminate to shortly acuminate. Inflorescences cymose, 1-3-flowered, rusty-and glandular-tomentose; peduncles 6-9 mm; pedicels ca. 7 mm; bracts ovate, ca. 1 mm. Flowers yellow. Sepals 5, ovate or oblong, 4-5 mm, both surfaces rusty-and glandular-tomentose. Petals 5, spatulate-obovate, 7-8 mm. Filaments 3-4 mm; anthers yellow, ca. 1.5 mm. Ovary cylindric-globose, densely rusty tomentose. Fruit maroon-brown to greenish brown, ovoid to globose, 3-4 × 2.5-3 cm, glabrous, lenticels yellowish; persistent sepals reflexed. Seeds ca. 2 mm. Fl. May, fr. Nov. 2n = 116*.
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A climbing shrub. It loses its leaves during the year. The leaves are dull underneath and oval and 7-14 cm long by 5-7 cm wide. There are 1-3 flowers in a group and they are yellow. The fruit are a reddish brown. They are oval and 3-4 cm long by 3 cm wide. The seeds are about 2 mm long.
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