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FOC | Family List | FOC Vol. 6 | Caryophyllaceae | Arenaria

40. Arenaria stracheyi Edgeworth, Fl. Brit. India. 1: 240. 1874.

藏西无心菜 zang xi wu xin cai

Herbs perennial, dwarf, glabrous. Stems sparsely clustered, suberect, 2--5 cm. Leaf blade narrowly orbicular, flat, 5--6 × 2--3 mm, fleshy, veins inconspicuous, base narrowed, margin not thickened, apex acute or acuminate. Flower solitary, terminal. Pedicel 5--8 mm, apex erect or nutant. Sepals 5, suberect, narrowly orbicular, 4--5 × 3--4 mm, margin membranous, apex acute. Petals 5, white, broadly obovate, 1.5--2 × as long as sepals, apex obtuse. Stamens 10; filaments longer than sepals; anthers green. Ovary ovoid. Styles 3, linear. Capsule ovoid, shorter than persistent sepals, apex 6-valved. Seeds subreniform, small, smooth, not lustrous. Fl. and fr. Jul--Aug.

Swamp meadows, gravelly mountain grasslands, river beaches, broken alpine rocks; 3000--5300 m. W Xizang [India, ?Nepal].


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