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

15. Erigeron patentisquama Jeffrey ex Diels, Notes Roy. Bot. Gard. Edinburgh. 5: 185. 1912.

展苞飞蓬 zhan bao fei peng

Herbs, perennial, 20-45 cm tall; rhizome woody. Stems solitary or several, erect to ascending, sometimes procumbent, ca. 3 mm in diam., purplish or green, branched from middle or upper part, rarely simple, moderately to densely hirsute and strigose, often ± densely long-stipitate glandular in upper part. Leaves: surfaces sparsely to ± densely hirsute and shortly strigose, densely stipitate glandular, sometimes sparsely so; basal dense, rosulate, long winged petiolate, blade spatulate or oblanceolate-spatulate, 4-15 × 0.6-2 cm, 3-veined and with 2-4 lateral veins, base attenuate, margin entire, apex obtuse, mucronulate; mid and upper sessile, blade narrowly lanceolate or lanceolate to lanceolate-ovate, 2-7 × 0.5-1 cm, base semiclasping, apex acuminate or acute, uppermost reduced, linear or linear-lanceolate. Capitula solitary or 2-4 in corymbiform synflorescences, ca. 2.5 cm in diam. Involucre hemispheric, 1-1.5 × 1.5-2 cm; phyllaries 3-seriate, subequal or inner somewhat longer, lanceolate, 0.8-1 mm wide, exceeding disk florets, sparsely to ± densely villous and shortly strigose, ± densely stipitate glandular, margin stipitate glandular, apex spreading, often squarrose, outer leaflike, green, inner membranous, margin narrowly scarious. Ray florets 3-seriate, purple, 8-13.7 mm, ± exceeding involucre, tube 2-3.3 mm, sparsely hairy above, lamina linear, 0.4-0.6 mm wide, involute; disk florets yellow to orange, limb or lobes sometimes purplish, ca. 4.3 mm, tube 1-1.5 mm, limb narrowly funnelform, lobes hairy, anthers and style branches often exserted from corolla. Achenes straw-colored, oblong or lanceoloid, compressed, 2.5-3 mm, ± densely strigose, particularly at base, 1-veined on back, veins orange. Pappus yellowish, 2-seriate, outer bristles 0.2-0.7 mm, inner 3.6-4.5 mm. Fl. Jul-Sep.

● Forest margins, alpine or subalpine meadows, grassy slopes, ridges; 2400-4100 m. SW and W Sichuan, Xizang, NE and NW Yunnan.


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