Anemone oregana |
Anemone caroliniana |
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blue windflower, bog anemone, Oregon anemone, Oregon windflower, western wood anemone, western wood anenome |
Carolina anemone |
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Aerial shoots | 5-30(-35) cm, from rhizomes, rhizomes horizontal. |
5-35(-60) cm, from tubers with rhizomes near apex, tubers ascending or vertical, rhizomes horizontal or ascending. |
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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. |
1-3(-5), 1-2-ternate; petiole 3-9(-10) cm; terminal leaflet petiolulate, rarely sessile, obtriangular, 2-3-cleft, 1-3 × 0.8-2(-2.5) cm, base narrowly attenuate to strongly and narrowly cuneate, margins serrate, rarely dissected on distal 2/3, apex obtuse to broadly acute, surfaces glabrous; lateral leaflets ±pinnately 1-2(-3)×-lobed or -parted; ultimate lobes 2-10 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. |
1-flowered; peduncle proximally glabrous, distally villous; involucral bracts 3, borne below middle of scape at anthesis, 1-tiered, simple, ±similar to basal leaves, obtriangular, 3-cleft, 1-2.5 cm, bases somewhat clasping, connate, margins incised on distal 1/2, apex acuminate, surfaces sparsely pilose; segments 3, broadly linear; lateral segments 1-2x-lobed or -parted; ultimate lobes 1-2.5 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 10-20(-30), white to rose or blue to purple, linear to oblong, (6-)10-20(-22) × 2-5(-7) mm, abaxially sparsely hairy, adaxially glabrous or nearly so; stamens 50-60. |
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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 ovoid, 1.5-2.5(-3) × ca. 2 mm, not winged, densely woolly; beak straight, 1.3-2 mm, projecting beyond achene indument, proximally tomentose, not plumose. |
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Heads of achenes | nearly spheric; pedicel (1.5-)2-5(-7) cm. |
fusiform; pedicel (5-)10-20 cm. |
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2n | =16. |
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Anemone oregana |
Anemone caroliniana |
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Phenology | Flowering winter–spring (Feb–Apr). | |||||
Habitat | Dry prairies, barrens, pastures, meadows, rocky, open woods | |||||
Elevation | 60-700m (200-2300ft) | |||||
Distribution |
CA; OR; WA
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AL; AR; GA; IA; IL; KS; LA; MN; MO; MS; NE; OK; SC; SD; TN; TX; WI
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Anemone caroliniana was recorded from Indiana (Vigo County); it has since been extirpated. (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 | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | A. Gray: Proc. Amer. Acad. Arts 22: 308. (1887) | Walter: Fl. Carol., 157. (1788) | ||||
Web links |