Description from Flora of China
Plants slender, biennial or short-lived perennial, glabrous throughout except for pedicels. Stems slender, few or rarely 1 from base, decumbent, 2-12(-15) cm. Lowermost cauline leaves simple, becoming 3-lobed in the middle and distal portions of plant; petiole glabrous, (2-)4-8(-12) mm; blade of lowermost leaves ovate, subacute, 3-5 × 2-3 mm; middle lobe of bracts narrowly oblong or broadly ovate, entire, (2-)3-6(-8) × 1.3-4(-7) mm, obtuse; lateral lobes smaller and narrower, entire or rarely obscurely 1-toothed. Fruiting pedicels 5-8(-13) mm, adaxially puberulent with papillae to 0.1 mm. Sepals oblong, 0.7-1.5 × 0.5-0.7 mm, not saccate at base, scarious at margin. Petals white or rarely pink, narrowly obovate, 1.5-2 × 0.5-1 mm, apex rounded, cuneate and not clawed at base. Filaments white or rarely pink, 0.8-1.2 mm; anthers purple, ovate, 0.2-0.3 mm. Ovules 6-12 per ovary. Fruit linear to narrowly oblong, not geocarpic, straight or slightly curved at middle, 5-10 × 0.7-1 mm; gynophore obsolete; valves torulose; style 0.5-0.8 mm, stout. Seeds uniseriate, oblong, 1-1.4 × 0.5-1 mm. Fl. Jul-Aug, fr. July-Oct.
Among rocks, sandy flats by streamside; 3000-4500 m. Yunnan [Nepal].