Shrubs 0.8-2 m tall. Stems obtusely 4-sided, scabrous; branchlets 4-sided, densely furfuraceous puberulous and with stellate trichomes. Petiole 1-5 cm, with dense stellate trichomes; leaf blade ovate, ovate-oblong, ovate-lanceolate, or elliptic, 5-12(-17) × 2-5.5(-7) cm, papery, abaxially with stellate trichomes only on veins, adaxially with dense stellate trichomes when young, secondary veins 2 on each side of midvein, base cuneate to broadly cuneate, margin remotely serrulate with each tooth having a terminal seta, apex shortly acuminate or nearly acute. Inflorescences terminal, cymose or corymbose, ca. 5 cm, with dense stellate trichomes. Pedicel 2-6 mm, with dense stellate trichomes; bracteoles triangular, with dense stellate trichomes. Hypanthium funnelform-campanulate, ca. 8 mm, obtusely 4-sided, puberulous. Calyx lobes orbicular, winged on ridges. Petals white to pink, broadly obovate to obliquely broadly obovate, ca. 6 mm, oblique, glabrous, apex obtuse. Longer stamens ca. 1.4 cm; anthers lanceolate, ca. 9 mm, curved, shortly beaked. Shorter anthers ca. 8 mm; anthers geniculate, ca. 5 mm. Ovary urceolate, 4-celled, limb erose. Style basally sparsely puberulous. Pedicel 1.3-1.5 cm in fruit. Capsule urceolate, ca. 8 × 8 mm, 4-longitudinally dehiscent; hypanthium obtusely 4-sided, 8-veined. Fl. ca. May, fr. Oct.
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