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

33. Erigeron pseudoseravschanicus Botschantzev, Fl. URSS. 25: 585. 1959.

假泽山飞蓬 jia ze shan fei peng

Herbs, perennial, 5-60 cm tall, sometimes caespitose; rhizome woody; caudex branched. Stems several, 1-3 mm in diam. at base, erect, branched, green, sometimes reddish, ± densely hirsute-villous, sometimes also strigillose, rarely glabrate, sparsely stipitate glandular. Leaves green, surfaces sparsely hirsute-villous, sometimes also sparsely stipitate glandular, notably on petioles, margin entire or sparsely serrate, hirsute-ciliate; basal long petiolate, petiole base clasping, blade lanceolate to oblanceolate, 1-15 × 0.3-1.6 cm, base attenuate, apex acute or obtuse; cauline 0.3-13 × 0.5-1.1 cm, lower similar to basal, upper lanceolate, sessile, apex acute. Capitula usually many, in corymbose-racemiform synflorescences, sometimes solitary, 7-14 × 13-30 mm. Involucre hemispheric; phyllaries 3-seriate, green, sometimes reddish, slightly shorter than disk florets, linear-lanceolate, hirsute-villous or rarely glabrous, stipitate glandular, apex acute, outer ca. 1/2 as long as inner, inner 5-7 × ca. 0.8 mm, margin scarious. Ray florets 3-seriate, outer 2 series laminate, 5.8-8.5 mm, tube 2.2-3.5 mm, lamina pink or lilac, ca. 0.3 mm wide, inner tubular, uncolored, tube 2.2-3 mm, apex hairy, style exceeding tube by 1-1.5 mm, uncolored; disk florets yellow, lobe tips purple, 4-4.7 mm, tube 1.5-2 mm, hairy, limb cylindric-funnelform, lobes lanceolate, ca. 0.4 mm. Achenes tan, oblanceoloid, compressed, 2-2.2 mm, strigose. Pappus 2-seriate, outer bristles very short, 0.4-0.6 mm, inner 4-5.3 mm. Fl. Jul-Sep.

Subalpine or alpine meadows, forest margins; 1700-2800 m. N Xinjiang [Kazakhstan, Russia (Siberia), Uzbekistan].

Two forms have been recognized in China: Erigeron pseudoseravschanicus f. pseudoseravschanicus and E. pseudoseravschanicus f. glabrescens Y. Ling & Y. L. Chen (Acta Phytotax. Sin. 11: 426. 1973). The latter, described from Qinghe, has stems and leaves glabrous or glabrate, only upper part and phyllaries stipitate glandular.


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