轮台鸦葱 lun tai ya cong

Herbs 12-14 cm tall, perennial, rosulate. Rootstock brown, ca. 5 mm in diam. Caudex with pale brown scarious leaf sheath residues. Stem solitary, ca. 1.5 mm in diam., erect, unbranched, subglabrous or glabrous. Rosette leaves linear, 6-10 × 0.1-0.2 cm, glabrous, base attenuate, margin flat, apex acuminate. Stem leaves very few, mostly on basal portion of stem, similar to rosette leaves but smaller, subulate to linear. Capitulum solitary. Involucre narrowly cylindric, ca. 1.4 × 0.5 cm at anthesis. Phyllaries abaxially glabrous; outermost phyllaries ovate, ca. 4 × 2.2 mm, apex acute. Achene when immature without tubercles, glabrous, not seen when mature. Pappus white, ca. 8 mm. Fl. Jul.

● Damp riverbanks; ca. 1500 m. Xinjiang (N Tarim Pendi).