紫缨橐吾 zi ying tuo wu

Senecio phaenicochaetus Franchet, Bull. Soc. Bot. France 39: 295. 1893; Cremanthodium phaenicochaetum (Franchet) R. D. Good; Senecillis phaenicochaeta (Franchet) Kitamura.

Stem erect, 15-40 cm tall, 2-2.5 mm in diam. at base, proximally glabrous or hairy, distally shortly brown pilose. Basal leaves petiolate; petiole 4-20 cm, base sheathed; leaf blade orbicular-reniform, 4-8 × 5-12.5 cm, glabrous, palmate veins prominent abaxially, margin regularly triangular-dentate. Stem leaves 1-3, gradually smaller upward, proximal leaves petiolate, base broadly sheathed; leaf blade reniform. Capitula 1-6, solitary or in corymb; leaflike and supplementary bracts linear-subulate, shorter; peduncles shortly brown pilose, longer than involucre. Involucre broadly campanulate or hemispheric, 8-10 mm, to 20 mm wide, outside glabrous; phyllaries 8-14, dark brown, oblanceolate, ca. 3 mm wide, apex obtuse; inner phyllaries membranous at margin. Ray florets yellow; lamina elliptic, 1-1.5 cm × ca. 2 mm, apex acute; tube ca. 3 mm. Tubular florets numerous, yellow, 6-9 mm; tube 1/3-1/2 as long as campanulate limb. Pappus purplish brown, 1-2 mm, as long as or shorter than tube of tubular corolla. Fl. Aug-Sep.

● Wet slopes, alpine meadows; 3200-4200 m. Xizang (Zayü), NW Yunnan.