平卧蓼 ping wo liao

Herbs perennial. Stems creeping or prostrate, rooting from nodes, not tufted, not ligneous at base, branched, angulate, sparsely pilose; branches suberect, 10-15 cm tall. Petiole 1-2 cm, sparsely pilose, sometimes aculeolate at base; leaf blade cordate or ovate-cordate, 2.5-4 × 2-3 cm, both surfaces sparsely pilose, base cordate, margin entire, ciliate, apex acuminate; ocrea tubular, 5-10 mm, membranous, sparsely pilose, apex truncate, ciliate. Inflorescence terminal or axillary, usually geminate, rarely solitary, 8-10 mm in diam.; peduncle densely glandular hairy; bracts narrowly ovate, ca. 3 mm, membranous, each 2- or 3-flowered. Perianth white or pinkish, 5-parted; tepals elliptic, 3-4 mm. Stamens 6-8. Styles 3, connate to below middle. Achenes included in persistent perianth, opaque, ovoid, trigonous, 2.5-3 mm, glandular. Fl. Apr-May, fr. May-Jun.

* Forests on mountain slopes, wet places in valleys; 2000-3000 m. Xizang, Yunnan.