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

11. Blumea formosana Kitamura, Acta Phytotax. Geobot. 2: 38. 1933.

台北艾纳香 tai bei ai na xiang

Herbs, annual, erect, 70-90 cm tall. Stems pale, striate, densely white villous particularly in younger parts, somewhat woody at base, 0.4-0.7 cm in diam., branched above. Lower leaves larger, obovate-oblong to spatulate, 16-18 × 4-7 cm, papery, appressed white lanate abaxially, puberulent adaxially, base attenuate, margin regularly and remotely mucronulate, apex acute; veins 10-12 pairs. Capitula 8-10 × 4-5 mm, in lax panicles, pedunculate. Involucre globose-campanulate; phyllaries in 3 or 4 series, outer ones shorter, linear-lanceolate, 2-3 × 0.5-0.6 mm, outer surface with numerous sessile glands and multicellular hairs, inner ones linear, 6-7 × ca. 0.5 mm, margins ciliate. Receptacle slightly convex, 3-4 mm in diam., alveolate, glabrous. Marginal florets filiform, 5-6 mm, limbs 2- or 3-lobed. Central florets yellowish, tubular, 6-7 mm, with 5 broadly triangular lobes, lobes with sessile glands and sparse multicellular hairs. Achenes brownish, oblong, ca. 1 × 0.4 mm, ribbed, glandular hairy. Pappus brownish, 4-5 mm. Fl. Aug-Nov.

● Semishaded broad-leaved forests, plantation floors, forest margins, grassy slopes. Fujian, Guangdong, Guangxi, Hunan, Jiangxi, Taiwan.


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