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

56. Arenaria amdoensis L. H. Zhou, Fl. Xizang. 1: 688. 1983.

安多无心菜 an duo wu xin cai

Herbs small, glandular pubescent. Roots numerous, conic, slender. Stems erect, densely dichotomously branched at base, proximally yellowish and lustrous, distally green or violet, 2--4 cm, glandular villous. Petiole short; leaf blade saccate, 4--10 × 1--3.5 mm, leathery, both surfaces sparsely glandular villous, base attenuate, margin densely ciliate, apex obtuse. Cymes 3--5-flowered, rarely flower solitary. Pedicel green or brown, 2--7 mm, densely glandular villous. Sepals 5, ovate, 2--3 × ca. 1 mm, leathery, glandular villous abaxially, 1-veined, base broadened, margin narrowly membranous, apex obtuse. Petals 5, white, broadly obovate, 1.5--2 × as long as sepals, apex emarginate or 2-cleft. Stamens 10, longer than sepals; anthers black. Ovary ovoid, ca. 1.3 mm. Styles 2, linear, ca. 1 mm. Fl. Jul.

* River beaches; 4800--5000 m. E Xizang (Amdo Xian).


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