Shrubs to 1.2(-3) m tall. Stems dark brown, glabrescent, lenticellate; branches many, young branches pale yellow when dry, with 2 bands of sparse hairs decurrent from stipules; bark gray, fissured and peeling off when old. Leaves decussate; petiole short, to 0.7 mm, sparsely hairy to glabrous; blade dark green adaxially, whitish or pale yellow abaxially when dry, ovate to broadly lanceolate, 1-6 × 0.5-2.5 cm, thick, leathery when dry, glabrous on both surfaces or sparsely hairy along midvein, base attenuate, cuneate, margins sparsely hairy, apex acuminate to acute; midvein impressed adaxially, prominent abaxially, lateral veins distinct adaxially, indistinct or slightly prominent abaxially, with 4-8 veins per side, veinlets usually distinct adaxially, indistinct abaxially; stipules rigid, broadly triangular, ca. 1 mm, hairy abaxially, cuspidate, mucronate at apex. Inflorescences terminal on new shoots with all upper nodes bearing 2-4 lateral shoots with axillary and terminal clusters of cymules 3-9-flowered, forming a narrow thyrse with an elongate central axis and short lateral branches; peduncle hairy or glabrescent; bracts of cymules ligulate or leaflike, 1-4.5 mm or longer, with a midvein slightly prominent abaxially, margins hairy, apex acuminate to acute. Flowers heterostylous, subsessile or shortly pedicellate; pedicel densely hairy; bracteole pairs rigid, slightly thick, usually not transparent, obovate, ca. 3 mm, longer than or subequal to calyx at anthesis, connate for ca. 3/4 length, few veined, minutely short and sparsely hairy abaxially, margins conspicuously ciliate near apex, apex acute to obtuse, shortly mucronulate. Calyx tube absent; lobes 5, ovate, ca. 1 mm, margins long ciliate, apex acute. Corolla purplish white; tube narrowly funnelform, ca. 10 mm, outside sparsely minutely hairy, with sparse longer hairs near apex of flower buds, inside villous above middle of tube; lobes 5, ovate-oblong, ca. 3 mm, veined, lower part with thinner margins, upper part triangular, apex shortly acuminate, hooked. Long-styled flower: stamens inserted at throat ca. 1.5 mm from sinus, filaments attached to lower 1/3 of anthers, free part shorter than lower portion of anthers, anthers ca. 1.5 mm, introrse; style ca. 12 mm, glabrous, 3(-5)-lobed, lobes ca. 1 mm, papillose. Capsule ca. 6 mm; seeds with reticulate aril free from testa. Fl. Sep-Oct, fr. Nov-Dec.
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