Anemone lancifolia |
Anemone deltoidea |
|
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lance-leaf anemone, mountain thimbleweed, windflower |
Columbia windflower, Columbian windflower, three-leaf anemone, western white anemone, windflower |
|
Aerial shoots | 10-40 cm, from rhizomes, rhizomes horizontal. |
(7.5-)10-30 cm, from rhizomes, rhizomes horizontal. |
Basal leaves | 1, ternate; petiole 10-25 cm; terminal leaflet sessile, oblanceolate to ovate, (3.5-)4-7(-8) × 2.5-4(-6) cm, base broadly cuneate, margins coarsely serrate on distal 1/2-2/3, apex acuminate, surfaces ±glabrous; lateral leaflets unlobed or occasionally 1x-lobed; ultimate lobes 8-25 mm wide. |
0-2, ternate; petiole 10-15 cm; terminal leaflet sessile, ovate to rhombic, (2.5-)3-5(-6) × (2-)2.5-3.5 cm, base slightly oblique to broadly cuneate, margins crenate to serrate on distal 2/3, apex acuminate, surfaces abaxially glabrous, rarely puberulous on veins, adaxially usually glabrous; lateral leaflets unlobed, rarely 1x-lobed; ultimate lobes (8-)10-20 mm wide. |
Inflorescences | 1-flowered; peduncle ±glabrous; involucral bracts 3, 1-tiered, ternate, ±similar to basal leaves, bases distinct; terminal leaflet sessile, oblanceolate to ovate, (2-)3-8.7 × 0.8-3 cm, bases narrowly cuneate to cuneate, margins coarsely serrate on distal 1/2 -2/3, apex acuminate, surfaces ± glabrous; lateral leaflets unlobed or occasionally 1x-lobed; ultimate lobes 15-30 mm wide. |
1-flowered; peduncle sparsely hispid or glabrous; involucral bracts 3, 1-tiered, simple, ±similar to terminal leaflets of basal leaves, ovate, rarely rhombic, (2.5-)4-8 cm, bases distinct, broadly cuneate, margins crenate to serrate, or dentate on distal 2/3, apex acuminate, surfaces usually glabrous; lateral leaves unlobed or occasionally 1x-lobed; ultimate lobes 8-15 mm wide. |
Flowers | sepals (4-)5(-7), white, oblong to elliptic, (13-)15-20(-25) × 5-10 mm, glabrous; stamens 50-70. |
sepals usually 5, white, ovate to obovate, rarely oblanceolate, (12-)15-25 × (8-)10-15(-20) mm, glabrous; stamens 100-120. |
Achenes | body elliptic, flat, 3.5-5 × 1-1.5 mm, not winged, puberulous; beak straight or slightly curved, 1-1.5 mm, ±glabrous, not plumose. |
body ovoid, swollen, 2.5-4 × 2-3 mm, not winged, proximally hispid, distally glabrous; beak straight to subulate, 0.5 mm or less, glabrous. |
Heads of achenes | nearly spheric; pedicel (3-)4-8(-10) cm. |
spheric; pedicel (5-)7-12 cm. |
2n | =14. |
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Anemone lancifolia |
Anemone deltoidea |
|
Phenology | Flowering spring–summer (Apr–Jun). | Flowering spring–summer (Apr–Jul). |
Habitat | Damp, rich woods | Open to deep woods |
Elevation | 800-1500 m (2600-4900 ft) | 200-2000 m (700-6600 ft) |
Distribution |
NC; SC; VA; WV
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CA; OR; WA
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Discussion | Reports of Anemone deltoidea in British Columbia are erroneous (H.J. Scoggan 1978-1979, vol. 3). Rhizomes 7m long and about 2 mm in diameter have been observed in Anemone deltoidea. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Anemone | Ranunculaceae > Anemone |
Sibling taxa | ||
Synonyms | A. quinquefolia var. lancifolia | |
Name authority | Pursh: Fl. Amer. Sept. 2: 386. (1814) | Hooker: Fl. Bor.-Amer. 1: 6. (1829) |
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