岩菀 yan wan

Rhinactina limoniifolia Lessing, Linnaea 6: 119. 1831; Aster limoniifolius (Lessing) B. Fedtschenko (1915), not Greene (1900); A. obovatus C. A. Meyer (1833), not (Nuttall) Elliott (1823); Borkonstia limoniifolia (Lessing) Ignatov; Krylovia limoniifolia (Lessing) Schischkin.

Herbs, perennial, subscapiform. Stems several, ascending, simple, 3-20(-25) cm, ± densely strigose. Leaves: basal many, rosulate, petiole equaling blade or shorter, base expanded, blade spatulate to obovate or oblanceolate, 2.5-4.5 × 1-2 cm, surfaces strigose, usually 1-veined, rarely inconspicuously 3-veined, base attenuate, clasping, margin entire or sparsely serrulate, apex acute or ± obtuse, rarely rounded; cauline few, shortly petiolate or sessile, blade narrowly oblong or oblanceolate to lanceolate-linear, base cuneate, apex acute to obtuse. Capitula solitary at ends of stems or branches, 1.5-2 cm in diam. Involucre subhemispheric to broadly campanulate, 5-6(-7) × 8-10 mm; phyllaries 3-seriate, ± leathery, margin narrowly scarious, erose to fimbriate, sometimes ciliate, apex acuminate, sometimes acute, outer shorter, green, lanceolate, sparsely scabrous, mid and inner oblong, scabrous or glabrous in lower half. Ray florets lamina light violet, (10-)13-15 × ca. 2 mm; disk florets yellow, 4.5-6 mm, lobes lanceolate. Achenes ca. 4 mm, densely strigose. Fl. and fr. Jun-Aug.

Rocky or grassy slopes; 1200-3500 m. NW and W Xizang [Kazakhstan, Mongolia, Russia (W Siberia), Uzbekistan].