Herbs, perennial, tender, caespitose. Stems ascending, 3-12(-25) cm tall, 4-angled, glabrous and smooth or rarely slightly retrorsely aculeolate. Leaves in whorls of up to 5 or 6, sessile; blade drying papery and blackish, oblanceolate to narrowly obovate, 2-7 × 1-3 mm, mostly glabrous and smooth, but occasionally with straight hairs abaxially or marginally slightly retrorsely aculeolate, base cuneate, margin flat, apex acute and often shortly mucronate; vein 1. Inflorescences with cymes terminal and in axils of upper leaves, 1-or usually 2-or 3-flowered; peduncles up to 18 mm and pedicels 2-5 mm, glabrous and smooth, elongating during fruit development. Ovary subglobose, ca. 0.7 mm, densely covered by undeveloped trichomes. Corolla pale green, rotate, ca. 2 mm in diam., glabrous; lobes 4, triangular, acute. Mericarps ellipsoid, ca. 2 mm, with dense brownish yellow uncinate trichomes ca. 0.7 mm. Fl. Aug, fr. Aug-Oct.
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