扁毛菊 bian mao ju

Waldheimia glabra (Decaisne) Regel; W. tridactylites Karelin & Kirilov subsp. glabra (Decaisne) Podlech.

Herbs, perennial, to 4 cm, with woody, procumbent, much-branched rhizomes; stems many; entire plant grayish or grayish green, loosely tomentose to pubescent with long simple hairs. Leaves in dense rosettes, sessile; leaf blade cuneate, 1-1.5 × 0.5-0.8 cm, both surfaces glabrous, base cuneate-attenuate, apex 3(-5)-lobed or -parted. Capitulum solitary, terminal, 2.5-3.5 cm in diam., sessile. Involucre hemispheric, 1-1.5 cm in diam.; phyllaries in 3 or 4 rows, abaxially hairy at base, scarious margin broad, dark brown, apex ± obtuse, outer phyllaries ovate-oblong to oblong, ca. 7 mm, inner ones oblong, ca. 8 mm. Ray florets 8-15; lamina deep pink to almost white, elliptic-oblong, 6-10 × 2.5-4 mm, apex 2- or 3-denticulate. Disk florets: corolla yellow, 3.5-5 mm, apex 5-lobed. Achenes 2.5-3.5 × 0.5-0.7 mm, somewhat curved, 5-ribbed, glabrous, with sessile glands. Corona scales 6-7.5 mm, tinged pinkish violet or brownish. Fl. Jul-Sep.

Scree slopes, rock crevices; (3500-)4900-5500 m. Xizang [Afghanistan, Bhutan, N India, Kazakhstan, Pakistan, Uzbekistan].