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

3. Duhaldea pterocaula (Franchet) Anderberg, Pl. Syst. Evol. 176: 104. 1991.

翼茎羊耳菊 yi jing yang er ju

Inula pterocaula Franchet, J. Bot. (Morot) 10: 383. 1896.

Perennial herbs or subshrubs, with woody roots. Stems 60-100 cm tall, ca. 1.2 cm in diam., striped, densely reddish brown pubescent and glandular, branched. Lower leaves lanceolate to elliptic-lanceolate, 18-20 × 4-5 cm; upper leaves smaller, oblong-lanceolate to linear-lanceolate, 1-4 cm, glandular on both surfaces, abaxially reddish brown pubescent, adaxially densely pubescent, base gradually narrower, extending to stem and forming wings 1-10 mm wide, margin biserrate, apex acute; lateral veins 7-10 pairs and abaxially prominent, usually densely pubescent. Capitula 5-6 mm in diam., in thyrsoid or compound corymbose synflorescences; peduncles very short or up to 10 mm, slender, with filiform bracteal leaves. Involucre campanulate, ca. 7 × 5-6 mm; phyllaries in ca. 5 series, linear-lanceolate, outer ones shorter, abaxially densely pubescent. Corolla all tubular, ca. 4.5 mm, yellow glandular outside. Achenes cylindric, densely pubescent. Pappus in 1 series, light reddish brown, as long as corolla. Fl. Jul-Sep, fr. Sep-Oct.

● Thickets, grasslands; 2000-2800 m. SW Sichuan, Yunnan.


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