Shrubs, up to 2 m tall. Branchlets puberulent when young, glabrescent. Petiole 0.3-1 cm, hairy; leaf blade ovate or nearly circular, 6-15 × 4.5-8.5 cm, sparsely stellate adaxially, densely whitish stellate tomentose, basal veins 5-7, base cordate, margin irregularly dentate, apex long acuminate, usually shallowly lobed from middle. Flowers solitary or cymose, axillary. Pedicel articulate. Calyx tubular, 15-18 mm, densely pale stellate villous and puberulent, 5-lobed, lobes acute. Petals 5, white, unequal to each other in length, spatulate. Stamens 10; staminodes 5. Ovary verrucose, hairy; ovules ca. 8 per locule. Capsule cylindric, 2.5-3.5 × 1-1.2 cm, apex acute, densely stellate villous and up to 4 mm long hairs. Seeds rhomboid, ca. 2 × 1 mm, with tiny longitudinal grooves. Fl. May-Jun.
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