拉萨拟鼠麴草 la sa ni shu qu cao

Gnaphalium flavescens Kitamura, Acta Phytotax. Geobot. 15: 71. 1953.

Herbs, perennial, somewhat woody at base. Stems in tufts, 1-1.2 mm thick, branched from middle and in upper part, 14-16 cm tall, arachnoid tomentose. Basal leaves withering at anthesis, linear, 10-12 × ca. 1.5 mm; middle leaves lanceolate or ovate-lanceolate, 15-18 × 2-3 mm, abaxially white lanate, adaxially green and arachnoid pubescent, base amplexicaul, apex mucronate; upper leaves ovate or ovate-oblong, 10-15 × 3-5 mm, base broader, apex mucronate. Capitula numerous, 4-5 mm in diam., pedunculate, in terminal compound corymbs. Involucre campanulate, 4-5 mm in diam.; phyllaries 4- or 5-seriate, nitid, grayish white or light yellow; outer ones ovate, 2-2.5 mm, abaxially densely lanate, apex obtuse; middle ones oblong or obovate-oblong, 3-4 mm, apex rounded or toothed; innermost ones obovate-oblong, 4.5-5 mm, abaxially glabrous. Receptacle slightly convex, glabrous. Outer florets female; corolla filiform, 2.5-3 mm, limbs usually 4-toothed, rarely 3- or 5-toothed. Disk corolla 5-toothed. Achenes oblong or elliptic, ca. 1 mm, papillose. Pappus white, ca. 3.5 mm, scabrid. Fl. Aug-Nov.

● Alpine grasslands, thickets; 3000-3800 m. Xizang.