Subshrubs. Stems erect, purplish, 30-50 cm tall, glabrous, slightly striate, few branched. Petiole 3-4 mm, glabrous; leaf blade elliptic or ovate-oblong, 3-5 × 1.5-2 cm, subleathery, midvein prominent abaxially, impressed adaxially, both surfaces glabrous, base cuneate, margin entire, slightly revolute, ciliate, apex acute or obtuse; ocrea brown, tubular, 1-1.5 cm, membranous, veined, sparsely pubescent, oblique. Inflorescence terminal, paniculate, dense; bracts narrowly ovate, pubescent, each 2-or 3-flowered. Pedicels shorter than bracts, articulate. Perianth pinkish, 5-parted; tepals obovate, ca. 3.5 mm, unequal. Stamens 8, included; anthers yellow. Styles 3, very short; stigmas capitate. Achenes exceeding persistent perianth, yellow-brown, slightly shiny, narrowly ovoid, trigonous, 3-4 mm. Fl. Aug-Sep, fr. Sep-Oct.
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