4. Erigeron vicarius Botschantzev, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 18: 260. 1957.
蓝舌飞蓬 lan she fei peng
Herbs, perennial, 25-28 cm tall; rhizome short, branching. Stems several, 1-3 mm in diam. at base, straight or ascending, simple, moderately to densely curved hirsute, usually moderately to densely stipitate glandular. Leaves green, margin entire; basal petiolate, blade linear-lanceolate, 2-9 × 0.1-1.1 cm, apex acute; cauline 3-12, sessile, blade linear-lanceolate to lanceolate, apex acute; lowermost shortly petiolate, blade 0.7-6 × 0.1-0.6 cm. Capitula solitary, 1.4-1.8 × 2.1-3.8 cm. Involucre hemispheric; phyllaries 3-seriate, subequal, green, or reddish at tip, linear-lanceolate, 7-9 × 1-1.8 mm, densely lanate. Ray florets blue, 10-15 mm, tube 2.3-3.5 mm, hairy upward, lamina linear, 1-1.5 mm wide, flat; disk florets yellow, 4-4.5 mm, tube hairy upward. Achenes oblanceolate, flattened, 2.5-3 × 0.5-0.6 mm, strigose. Pappus 2-seriate, outer bristles short, inner 4-4.5 mm. Fl. Jul-Sep.
Alpine meadows, stony slopes; 2800-4500 m. Xinjiang [Kazakhstan, Uzbekistan].
No specimen of this species was seen by us.