峨眉紫菀 e mei zi wan

Herbs, perennial, 6-40 cm tall; rhizomes long, thin. Stems erect, simple, slender, striate, sparsely villous (crosswalls brown), sparsely minutely stipitate glandular distally. Leaves cauline, abruptly reduced upward, abaxially pale green, adaxially green, abaxially sparsely pilose on midvein and distally, sparsely minutely stipitate glandular in shallow pits, adaxially moderately pilose, very sparsely minutely stipitate glandular, margin serrate to serrulate (teeth mucronulate), pilose-ciliate, midvein slightly prominent abaxially, apex mucronate; lowest leaves present and dominant at anthesis, long petiolate (petiole to 7 cm); blade spatulate or obovate to oblanceolate, 1.5-9 × 0.8-3.8 cm, base attenuate, apex rounded to obtuse; lower to middle leaves sessile, pandurate, 4-8.5 × 0.9-1.7 cm, base auriculate, clasping, margin entire; upper leaves sessile, lanceolate to linear-lanceolate, 2.5-4 × 0.3-1 cm, base auriculate, clasping; synflorescence leaves few, linear-lanceolate, 0.8-2 × 0.1-0.5 cm, base ± auriculate, margin entire. Capitula 1-10 in terminal corymbiform synflorescences, sometimes solitary; peduncles 3.5-10 cm, pilose, strigillose, sparsely to moderately minutely stipitate glandular; bracts linear, entire, upper bracts closely subtending capitula and grading into phyllaries. Involucres hemispheric, 6-8 mm; phyllaries 3-seriate, unequal, green apically, glabrous, base ± hardened, margin broadly scarious, erose, purplish, ciliate, midvein more pronounced distally, ± translucent, apex acuminate, sometimes erose, purplish, eciliate; outer phyllaries lanceolate, 3-4 × 0.6-1 mm, (outermost tip recurved, ciliate, minutely stipitate glandular); middle and inner phyllaries membranous, often multiveined; middle phyllaries oblanceolate, 5.5-6.5 × 1.2-1.3 mm; inner phyllaries lanceolate, 6.5-7 × ca. 1 mm. Ray florets 35-54, purple, tube hairy, lamina 9-10 × 1-1.5 mm, eglandular; disk florets yellow, 4.5-5.5 mm, tube base flared, tube apex and limb base strigillose, eglandular, limb campanulate, 2.8-3 mm, lobes spreading, narrowly triangular, 2.1-2.3 mm, glabrous, eglandular. Achenes oblong, slightly compressed, 2-2.5(-3) mm (immature), sparsely strigillose, minutely stipitate glandular, 2-ribbed. Pappus 3-seriate, ± reddish, of barbellate bristles; outermost series of white scales, 0.4-0.6 mm; inner bristles 4-4.6 mm, tapering; innermost bristles 5-5.2 mm, weakly clavate. Fl. May-Jun, fr. Jun-Aug.

● Shaded damp places, ravines, canal sides on slopes; 800-2400 m. C and W Sichuan.