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

6. Scorzonera radiata Fischer ex Ledebour, Fl. Altaic. 4: 160. 1833.

毛梗鸦葱 mao geng ya cong

Scorzonera radiata var. rebunensis (Tatewaki & Kitamura) Nakai; S. radiata var. subacaulis Lipschitz & Krascheninnikov; S. rebunensis Tatewaki & Kitamura.

Herbs (3-)15-30(-50) cm tall, perennial, rosulate. Rootstock ca. 1.5 cm in diam. Caudex with scarious leaf sheath residues. Stems solitary to few, erect, unbranched, arachnoid hairy especially under capitula, glabrescent with age. Rosette leaves linear, linear-lanceolate, or linear-elliptic, 5-30 × 0.3-1.5[-1.8] cm, sometimes sparsely arachnoid hairy, glabrescent, base attenuate, apex acuminate. Stem leaves 0-3, linear to linear-lanceolate, smaller than rosette leaves. Capitulum solitary. Involucre broadly cylindric to campanulate, 1.7-2.1 × 0.8-1 cm at anthesis, to 2.6 × 1.8 cm in fruit. Phyllaries abaxially sparsely arachnoid hairy, glabrescent, apex usually with a red spot; outermost phyllaries ovate to broadly lanceolate. Florets yellow, almost 2 × as long as involucre. Achene cylindric, 0.9-1.3 cm, with smooth elevated ribs, glabrous. Pappus dirty yellow, 1.1-1.4 cm. Fl. and fr. May-Jul. 2n = 14.

Forest margins, forests, grasslands, gravelly riverbanks; 900-2600 m. Heilongjiang, Jilin, Liaoning, Nei Mongol, Xinjiang [Kazakhstan, Russia (Asian part), Uzbekistan].


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