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

3. Neobrachyactis pubescens (Candolle) Brouillet, Fl. China. 20-21: 573. 2011.

腺毛短星菊 xian mao duan xing ju

Basionym: Conyza pubescens Candolle, Prodr. 5: 381. 1836; Brachyactis pubescens (Candolle) Aitchison & C. B. Clarke; B. robusta Bentham.

Herbs, annual, 4-20 cm tall. Stems erect or ascending, branched, densely leafy, densely brownish yellow stipitate glandular. Leaves: surfaces densely glandular, basal withered and fallen at anthesis, shortly petiolate, blade obovate or oblong-obovate, 1-4 × 0.5-1.5 cm, base cuneate, margin sparsely roughly serrate, apex obtuse or arched; upper subsessile, reduced, margin almost entire or sparsely serrate. Capitula few, in racemiform synflorescences, 1.5-2 cm in diam.; peduncles thick, 1-1.8 cm. Involucre hemispheric; phyllaries 2- or 3-seriate, dark brownish, oblong or oblong-lanceolate, slightly shorter than disk florets, abaxially densely brown glandular, apex acute or acuminate, outer often longer than inner, 5-7 × 1-1.2 mm. Ray florets numerous, white, finely tubular, together with style 4-4.5 mm, apex obliquely lobed or finely laminate, upper tube puberulent; disk florets uncolored, 4-4.5 mm, lobes short, upper tube and lobe apex puberulent. Achenes oblong, ca. 2 mm, compressed, strigillose. Pappus dirty white, 2-seriate, outer bristles short, inner ± equaling disk corolla. Fl. and fr. Jul-Oct.

Mountain slopes; ca. 5200 m. W Xizang [Afghanistan, India, Nepal, Pakistan].


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