卷缘乳菀 juan yuan ru wan

Linosyris scoparia Karelin & Kirilov, Bull. Soc. Imp. Naturalistes Moscou 15: 378. 1842; Aster scoparius (Karelin & Kirilov) Kuntze (1891), not Nees (1818), nor Candolle (1836).

Herbs, perennial, 25-45 cm tall, ± sparsely to densely shortly arachnoid-tomentose, partly glabrescent; rhizome woody. Stems numerous, rarely solitary, erect or ascending. Leaves sessile, grayish green, linear, 2-4 × 0.1-0.2 mm, not gland-dotted, subleathery, 1-veined, base tapered, margin strongly revolute, apex acute, arched, mucronate; lowest caducous, blades linear, sometimes 3-veined (lateral veins inconspicuous); upper (in synflorescences) reduced, almost setiform. Capitula 3-5 in loose, often irregularly corymbiform synflorescences, 12-17 × ca. 17 mm. Involucre broadly obconic, 10-15 × 10-18 mm; phyllaries 4-6-seriate, light green, grayish, subleathery, abaxially shortly arachnoid, partly glabrescent, margin narrowly scarious, erose-fimbriate, shortly arachnoid ciliate, 1-veined, outer small, ovate or ovate-lanceolate, apex acute, inner larger, oblong, apex usually rounded to obtuse. Disk florets 14-20, pale yellow, 6.5-8 mm, limb narrowly funnelform, lobes oblong-lanceolate. Achenes oblong, 4-6 mm, densely white strigose. Pappus brownish, 6-7 mm. Fl. Jul-Sep.

Dry steppes, slopes, gravel. N Xinjiang [Kazakhstan, Russia].