Shrublets 10-20 cm tall, stoloniferous, branched or not. Stems terete, densely lenticellate; branchlets nearly 4-sided, puberulous, with sparse glandular trichomes, or glabrous. Petiole 0.6-2 cm, puberulous, both sides barbate setose or glabrous; leaf blade broadly ovate to broadly elliptic, sometimes lanceolate-ovate basally on stem, (4.5-)5-11(-14) × (2.5-)4-8(-9) cm, stiffly papery to subleathery, abaxially sparsely setose but glabrescent, adaxially puberulous and sparsely setose but later puberulous then glabrescent, secondary veins 2 on each side of midvein, base obtuse to rounded, margin entire or inconspicuously denticulate with each tooth having a terminal seta, apex acute to obtuse. Inflorescences terminal and axillary, cymose or contracted to subumbellate, (2.5-)3.5-6 cm, densely puberulous or glabrous. Pedicel ca. 6 mm, puberulous. Hypanthium funnel-shaped, 2-3 mm, 4-sided, with sparse glandular trichomes or glabrous. Calyx lobes broadly triangular, apex acute. Petals purple or pink, oblong to elliptic-oblong, 6-7 × ca. 4.5 mm, slightly oblique, apex acute. Stamens subequal; connective decurrent, forming a short adaxial spur, abaxially not tuberculate. Longer stamens 0.8-1.2 cm. Shorter stamens 0.6-1 cm. Ovary subglobose, 4-lobed, apex truncate. Capsule cup-shaped, 4-sided, apex truncate; hypanthium 4-6 × ca. 4.5 mm, exceeding capsule, sparsely setose. Fl. May-Jun, fr. Aug-Nov.
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