5. Youngia cristata C. Shih & C. Q. Cai, Acta Phytotax. Sin. 33: 186. 1995.
角冠黄鹌菜 jiao guan huang an cai
Pseudoyoungia cristata (C. Shih & C. Q. Cai) D. Maity & Maiti; Tibetoseris cristata (C. Shih & C. Q. Cai) Sennikov.
Herbs 3-5 cm tall, perennial, rosulate, subacaulescent. Taproot and lateral shoot-bearing roots giving rise to secondary rosette shoots. Caudex short, unbranched or weakly branched, with residues of old leaf bases. Rosette leaves oblanceolate, 2-4 × ca. 1 cm, pinnatifid to pinnatipartite, sparsely tomentose, base attenuate into a petiole-like portion, margin entire; lateral lobes 4-6 pairs, narrowly triangular but basal lobes usually toothlike, apex acute; terminal lobe with apex acute to acuminate. Capitula 3-14, clustered, directly from axils of rosette leaves or from a stalk, with 12-18 florets; stalk short, capillaceous, branched; peduncle capillaceous, 1-4 cm, ± pilose to apically ± tomentose, ± bracteate. Involucre cylindric, 8-10 mm. Phyllaries dark to blackish green, abaxially glabrous; outer phyllaries ovate to lanceolate, longest to 1/2 as long as inner ones, apex obtuse to acute; inner phyllaries 8-10, adaxially glabrous, margin scarious, subapically crested or corniculate, apex acute. Anther tube greenish upon drying. Achene not seen when mature. Pappus white, ca. 7 mm. Fl. Aug.
● Mountain slopes; ca. 3900 m. SE Xizang (Zayü).