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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Artemisia

125. Artemisia rosthornii Pampanini, Nuovo Giorn. Bot. Ital., n.s.,. 36: 428. 1930.

川南蒿 chuan nan hao

Herbs, perennial, 50-80 cm tall, densely tomentose and sparsely glandular pubescent. Lower and middle stem leaves ± sessile; leaf blade ovate or elliptic-ovate, 5-6 × 3.5-4.5 cm, abaxially densely arachnoid tomentose and sparsely glandular pubescent, adaxial surface sparsely glandular pubescent and eglandular pubescent, pinnatisect; segments 3 or 4(or 5) pairs, linear-lanceolate or elliptic-lanceolate, 15-20 × 5-10 mm, apex acuminate and mucronulate. Uppermost leaves and leaflike bracts pinnatipartite, rarely 3-partite or entire. Synflorescence a broad and elongated panicle. Involucre ovoid-campanulate, 1.5-2 mm in diam.; phyllaries sparsely puberulent. Marginal female florets 3-5. Disk florets 4-7, bisexual. Achenes obovoid. Fl. and fr. Aug-Oct.

● Forest margins, roadsides; low to middle elevations. S Sichuan.


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