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FNA Vol. 19, 20 and 21 Page 130, 131, 147 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Cirsium

32a. Cirsium remotifolium (Hooker) de Candolle var. remotifolium

Remote-leaved thistle

Phyllaries imbricate or often subequal, narrowly oblong or linear, entire or sometimes weakly expanded and scarious. Corollas cream-colored, 20–28 mm, tubes 6–12 mm, throats 8–10 mm, lobes 4.5–6.5 mm.

Flowering late spring–summer (May–Aug). Fields, meadows, forest openings, open woods, brushy slopes; 40–1400 m; Calif., Oreg., Wash.

Variety remotifolium occurs primarily west of the Cascade Range in Washington and Oregon and on coastal-facing slopes in northwestern California. Intermediates with var. odontolepis are known through much of that range.


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