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

3. Dubyaea blinii (H. Léveillé) N. Kilian, Fl. China. 20-21: 336. 2011.

刚毛厚喙菊 gang mao hou hui ju

Basionym: Crepis blinii H. Léveillé, Repert. Spec. Nov. Regni Veg. 13: 345. 1914; C. setigera J. Scott; Faberia blinii (H. Léveillé) H. Léveillé; Youngia blinii (H. Léveillé) Lauener; Y. setigera (J. Scott) Babcock & Stebbins.

Herbs 15-35 cm tall, perennial, ± rosulate. Caudex strong, with residues of old leaf bases, brown lanate in leaf axils. Stem erect or curved-erect, usually branched apically, densely setose with brownish to purplish spreading hairs, moderately leafy. Rosette leaves (present or not at anthesis) and lower stem leaves oblanceolate to elliptic, 7-18 × 1.5-4 cm, undivided and coarsely sinuate-dentate or runcinate-dentate to pinnatifid, abaxially densely and adaxially sparsely setose with brownish to purplish spreading hairs, base attenuate into a cuneately winged petiole-like portion and semiamplexicaul, margin sinuate-dentate, apex acute to acuminate; lateral lobes triangular, ± retrorse, apex acute. Middle and upper stem leaves similar to lower leaves but smaller, base without a petiole-like portion but semiamplexicaul. Synflorescence densely corymbiform, with 10-20 capitula. Capitula erect, with 9-13 florets; peduncle 2-8 mm, densely setose with brownish to purplish spreading hairs. Involucre cylindric, 1-1.1 cm. Phyllaries abaxially brownish to purplish setose along midvein; outer phyllaries triangular to lanceolate, longest 2.5-3 mm, apex acute; inner phyllaries ca. 8, with thin scarious margin, apex acute. Florets yellow. Achene pale brown, 4.5-5.5 mm, with ca. 12 unequal ribs, glabrous, apex truncate. Pappus pale brown, 5-7 mm. Fl and fr. Jul-Oct.

● Mountain pastures, open grassy slopes; ca. 2600 m. W Sichuan, SW Yunnan.

Dubyaea blinii has been considered as a species of Youngia since its inclusion by Babcock and Stebbins (Univ. Calif. Publ. Bot. 18: 227-229. 1943, as Y. setigera) in that genus. Examination of the type material, however, revealed that it is grossly misplaced in Youngia, from which it differs by the indumentum of leaves, stems, and phyllaries, and its achene and pappus features, but conveniently fits into Dubyaea, where it may perhaps be more closely related to D. jinyangensis.


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