Herbs, perennial, weakly procumbent to erect. Stems (5-)7-15(-30) cm, 4-angled, glabrous and smooth, rarely shortly hairy at nodes. Leaves in whorls of up to 5 or 6, subsessile; blade greenish brown and subleathery when dried, narrowly lanceolate to narrowly elliptic, 3-12 × 1-2.5 mm, glabrous and smooth, very rarely with straight hairs adaxially or slightly retrorsely aculeolate on margins, base cuneate, margins thinly revolute, apex acute and shortly mucronate; vein 1. Inflorescences with terminal and lateral 1-3-flowered cymes on up to 10 mm long peduncles (often elongating in fruit) and with subsessile flowers on 0.5-3 mm long pedicels. Ovary subglobose, ca. 1 mm, densely covered with undeveloped trichomes. Corolla white, rotate, ca. 1.5 mm in diam.; lobes 4, ovate, obtuse. Mericarps ellipsoid, ca. 3 mm, with dense spreading yellowish brown uncinate trichomes ca. 0.7 mm. Fl. and fr. Jul-Aug.
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