山艾 shan ai

Subshrubs, 8-25(-30) cm tall, sericeous-tomentose or glabrescent. Basal leaves forming rosettes, long petiolate. Lower and middle stem leaves: petiole 5-20 mm or more; leaf blade oblong or elliptic, 2-4 × 1-2 cm, abaxially densely white tomentose, adaxially sparsely sericeous-tomentose, (1 or)2-pinnatisect; segments 3(or 4) pairs, mostly 3-lobuled; lobules linear or linear-lanceolate, 5-20(-30) × 0.5-1(-2) mm. Uppermost leaves 3-lobed; leaflike bracts linear-lanceolate or linear. Synflorescence a lax racemelike panicle. Capitula few; peduncles 2-20 mm. Involucre hemispheric or broadly ovoid, 4-4.5 mm in diam.; phyllaries sparsely tomentose. Marginal female florets 8-12. Disk florets 18-25, bisexual. Achenes obovoid. Fl. and fr. Jul-Nov. 2n = 18*.

● Waste areas, rocky slopes; 2700-3900 m. Taiwan.