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

27. Blumea axillaris (Lamarck) Candolle, Prodr. 5: 434. 1836.

柔毛艾纳香 rou mao ai na xiang

Conyza axillaris Lamarck, Encycl. 2: 84. 1786; Blumea mollis (D. Don) Merrill; B. wightiana Candolle; Erigeron mollis D. Don.

Herbs, annual or biennial, erect, 5-120 cm tall, with a taproot. Stems terete, softly pilose with spreading hairs and glands, viscid-tomentose particularly on younger parts and on synflorescence axes. Leaves ovate-oblong, 9-11 × 3.5-4 cm, papery, densely silky-villous on both surfaces with soft multicellular hairs and glands, base attenuate, margin closely doubly serrate, apex obtuse to apiculate; veins 5-7 pairs. Capitula in terminal, narrow, compact, spiciform panicle, subsessile to pedunculate. Involucre campanulate; phyllaries in 3 or 4 series, outer ones shorter, linear-lanceolate, 3-4 × 0.6-0.8 mm, densely softly villous and with multicellular hairs and glands, inner linear, 5-6 × 0.2-0.3 mm, margins scarious, ciliate. Marginal florets 3.5-4.5 mm, 2- or 3-lobed, glandular. Central florets pinkish purple apically, whitish or yellowish at base, 3.5-4.5 mm, with 5 triangular lobes, lobes pubescent and with sessile glands. Receptacle convex, 1.8-2 mm in diam., alveolate, glabrous. Achenes oblong, ca. 0.8 × 0.2-0.3 mm, pubescent. Pappus white, 3-4 mm. Fl. year-round. 2n = 18, 36.

Open waste fields, hillslopes, roadsides; below 1500 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Afghanistan, Bhutan, Cambodia, India, Indonesia, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam; Africa, Australia, Pacific islands (New Caledonia)].


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