矮蒿 ai hao

Artemisia feddei H. Léveillé & Vaniot; A. lavandulifolia Candolle subf. angusta Pampanini; A. lavandulifolia subf. effusa Pampanini; A. lavandulifolia var. feddei (H. Léveillé & Vaniot) Pampanini; A. lavandulifolia var. lancea (Vaniot) Pampanini; A. lavandulifolia subf. minutiflora Pampanini; A. lavandulifolia f. stenocephala Pampanini; A. minutiflora Nakai; A. vulgaris Linnaeus var. maximowiczii Nakai, p.p.

Herbs, perennial, 80-150 cm tall, rhizomatous, sparsely arachnoid pubescent, sometimes glabrescent. Basal and lowermost leaves withering before anthesis, shortly petiolate; leaf blade ovate, 3-5(-7) × 2.5-4(-6.5) cm, 2-pinnatisect; segments 3 or 4 pairs; lobules linear-lanceolate or linear, 3-6 × 2-3 mm. Middle stem leaves ± sessile; leaf blade ovate-elliptic, ovate-orbicular, or suborbicular, 1.5-2.5 × 0.1-0.2 mm, abaxially densely gray or yellowish arachnoid pubescent, adaxially gland-dotted and sparsely arachnoid puberulent, or glabrescent, margin revolute, apex acute. Uppermost leaves and leaflike bracts 3-5-lobed or entire; lobes or entire bracts lanceolate or linear-lanceolate. Synflorescence a dense, broad to narrow panicle. Capitula many. Involucre ovoid or ellipsoid-ovoid, 1-1.5 mm in diam.; phyllaries sparsely arachnoid pubescent, glabrescent. Marginal female florets 1-3; corolla ca. 0.8 mm. Disk florets 2-5, bisexual; corolla purplish, ca. 1.5 mm. Achenes oblong. Fl. and fr. Aug-Oct.

Forest margins, roadsides, slopes, dry fields, waste areas; 300-1700 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, S Nei Mongol, S Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [India, Japan, Korea, E Russia].

Artemisia lancea is used medicinally.