Anemone oregana |
Anemone oregana var. felix |
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blue windflower, bog anemone, Oregon anemone, Oregon windflower, western wood anemone, western wood anenome |
bog anemone, coast anemone, Oregon anemone, western wood anemone |
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Aerial shoots | 5-30(-35) cm, from rhizomes, rhizomes horizontal. |
5-20(-30) cm. |
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Basal leaves | 0-1, ternate; petiole 4-20 cm; terminal leaflet sessile to petiolulate, oblanceolate to rhombic, oblong, or ovate, 1-5(-6) × 0.7-2.5(-3.5) cm, base narrowly cuneate, margins sharply serrate on distal 1/2(-2/3), apex acuminate to acute, surfaces strigose to nearly glabrous; lateral leaflets unlobed or 1x-lobed; ultimate lobes 0.4-10 mm wide. |
lateral leaflets usually 1x-lobed; ultimate lobes 6-10 mm wide. |
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Inflorescences | 1-flowered; peduncle proximally glabrous, distally villous to pilose; involucral bracts 3, 1-tiered, ternate, ±similar to basal leaves, bases distinct; terminal leaflet sessile to petiolulate, oblanceolate to rhombic, oblong, or ovate, 1-8 × 0.8-3(-3.5) cm, bases narrowly cuneate to cuneate, margins crenate to serrate on distal 1/2(-2/3), apex acuminate to acute, surfaces abaxially glabrous or strigose, adaxially nearly glabrous to strigose; lateral leaflets unlobed or 1x-lobed; ultimate lobes 0.5-10 mm wide. |
involucral bracts with terminal leaflet 1-4 × 0.8-2.5 cm, base narrowly cuneate, margins serrate, more sharply serrate than in basal leaves, apex acuminate to narrowly acute; lateral leaflets usually 1x-lobed; ultimate lobes 4-10 mm wide. |
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Flowers | sepals 5-7(-8), blue to purple, reddish, or purple to pink (rarely nearly white or abaxially reddish, violet, or marginally purple, adaxially white), ovate, oblong, or elliptic, 10-20 × 5-8(-10) mm, glabrous; stamens 30-75. |
sepals abaxially reddish, violet, or marginally purple, adaxially white; stamens 60-75. |
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Achenes | body oblong to ellipsoid, 4-5 × 1.5-2 mm, not winged, puberulous to pilose, rarely glabrous; beak ±straight, (0.5-)1-1.5 mm, glabrous. |
body puberulous to pilose. |
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Heads of achenes | nearly spheric; pedicel (1.5-)2-5(-7) cm. |
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Anemone oregana |
Anemone oregana var. felix |
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Phenology | Flowering spring (Apr–Jun). | |||||
Habitat | Marshes, sphagnum bogs | |||||
Elevation | 300-1000 m (1000-3300 ft) | |||||
Distribution |
CA; OR; WA
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OR; WA |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||
Parent taxa | Ranunculaceae > Anemone | Ranunculaceae > Anemone > Anemone oregana | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | A. felix | |||||
Name authority | A. Gray: Proc. Amer. Acad. Arts 22: 308. (1887) | (M. Peck) C. L. Hitchcock: Vasc. Pl. Pacif. N.W. 2: 329. (1964) | ||||
Web links |