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

7. Dubyaea cymiformis C. Shih, Acta Phytotax. Sin. 31: 439. 1993.

伞房厚喙菊 san fang hou hui ju

Herbs to 45 cm tall, perennial. Stem erect, basally and middle tinged with purplish red, branched from basal portion, leafy; branches ascending, densely covered with dark brown to blackish long stiff glandular hairs. Basal and lower stem leaves oblanceolate to elliptic, ca. 18 × 4 cm, lyrately pinnatipartite, basally attenuate, margin mucronulately dentate; lateral lobes 4 or 5 pairs, elliptic to obliquely ovate; terminal lobe broadly elliptic to oblanceolate. Middle stem leaves similar to lower stem leaves but base ± auriculately clasping; uppermost stem leaves linear to lanceolate, undivided or almost so, apex acute to rounded. Synflorescence corymbiform, with ca. 15 capitula. Capitula erect, with numerous florets. Involucre broadly campanulate, ca. 1 × 2 cm. Phyllaries dark green, apex acute to acuminate; outer phyllaries rather few, narrowly lanceolate, with long brown stiff glandular hairs and weak curly pale uniseriate hairs on midvein and along margin; inner phyllaries except innermost ones with long, brown stiff glandular hairs along midvein. Florets purplish. Achene not seen when mature. Pappus ?whitish, ca. 1 cm. Fl. Jul.

● Mountain slopes; ca. 3200 m. S Xizang (Yadong).

Known only from the type, this species is probably related to Dubyaea oligocephala (Schultz Bipontinus) Stebbins from the W Himalaya and D. hispida.


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