指裂蒿 zhi lie hao

Herbs, perennial, or subshrubs, 7-60 cm tall, glabrescent; branches many, to 15 cm. Lower and middle stem leaves ± sessile; leaf blade elliptic, 2-5 × 2-3 cm, abaxially densely adpressed sericeous-pubescent except on veins, adaxially glabrous, ternately 3-partite(-cleft); lobes linear or linear-lanceolate, 20-25 × 2-4 mm, base attenuate, margin revolute. Uppermost leaves and leaflike bracts linear or linear-lanceolate, entire, 30-45 × 1-2.5 mm. Synflorescence a ± narrow conical simple panicle; lowermost ultimate branches to 7 cm; bracts linear, often longer than involucre. Capitula mostly widely spaced, sometimes in clusters of 2 or 3; peduncle to 6 mm. Involucre hemispheric or subglobose, 3-4 mm in diam. Marginal female florets 18-21. Disk florets 15-19, male. Achenes obovoid. Fl. Aug-Oct.

● Slopes, grasslands, forest margins; ca. 3800 m. S and W Sichuan, E Xizang.

Lower Taxa

• Artemisia tridactyla var. minima Y. R. Ling
• Artemisia tridactyla var. tridactyla