Climbing shrubs, mid-sized, deciduous. Branchlets reddish, glabrous, with scattered short ovoid lenticels, young branchlets white pubescent; pith white to brownish, large, lamellate. Petiole purplish, 2-3.5 cm, slightly puberulent, glabrous when mature; leaf blade ovate-oblong to ovate-orbicular, 6-11 × 5-8 cm, thinly papery, abaxially densely white pubescent throughout or ± so on midvein and lateral veins, hairs simple or 2-or 3-furcate, adaxially green and sparsely puberulent, especially on midvein and lateral veins when young, glabrous when mature, midvein and lateral veins conspicuous abaxially, subconspicuous adaxially, lateral veins 8-10 pairs, reticulate veins subconspicuous with distinct and raised parallel cross-bars abaxially, base broadly truncate to rounded or cordate, often unequal, margin mucronulate-serrulate, apex acuminate. Inflorescences cymose, axillary, 5-7-flowered, brownish tomentose; peduncles 1-1.5 cm; pedicels 7-10 mm; bracts absent to 3, linear, ca. 2 mm. Flowers yellowish, ca. 2 cm in diam. Sepals 5, ovate, ca. 5 mm, both surfaces rusty velutinous. Petals 5, obovate-oblong, 1-1.1 cm. Filaments 4-6 mm; anthers yellow, ovoid, 1.5-2 mm, both ends rounded. Ovary narrowly cylindric, ca. 5 mm, densely brownish pubescent; styles ca. 2 mm. Fruit globose, ca. 2.3 cm, glabrous, with whitish and rounded lenticels; persistent sepals reflexed. Seeds ca. 2 mm. Fl. May-Jun, fr. Sep-Oct.
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A climbing shrub. It grows up to 7 m long. It loses its leaves during the year. The fruit are round and 2.3 cm across.
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