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

7. Duhaldea eupatorioides (Candolle) Steetz, Bonplandia. 5: 308. 1857.

泽兰羊耳菊 ze lan yang er ju

Inula eupatorioides Candolle, Prodr. 5: 469. 1836.

Shrubs, 1-2 m tall. Stems lanate-tomentose. Leaves sessile or with petiole up to 5 mm, oblong or oblong-lanceolate, 10-18 × 4-6 cm, papery, densely pubescent at least on veins abaxially, green and sparsely scabridulous adaxially, minor veins prominent abaxially, base acute or obtuse, margin remotely serrulate, apex acuminate. Capitula 5-7 mm in diam., in dense corymbs. Involucre 4- or 5-seriate; phyllaries tomentose, inner ones linear-lanceolate, ca. 4 mm, outer oblong-lanceolate, ca. 1 mm. Ray florets female, yellow; corolla tube ca. 5 mm, usually ca. 3 mm in diam.; lamina 3-4 × 1-1.4 mm. Disk florets yellow, 4-6 mm in diam.; corollas ca. 5 mm. Achenes cylindric, ca. 2 mm, pubescent. Pappus whitish yellow, brownish tipped, slightly shorter than disk corollas, of ca. 20 bristles. Fl. Jul-Sep, fr. Dec. 2n = 20.

Thickets, under Pinus forests; 1700-1800 m. SE Xizang [Bhutan, India, Laos, Myanmar, Nepal, Pakistan, N Thailand, Vietnam].


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