Anemone canadensis

Linnaeus

Syst. Nat. ed. 12, 3: 231. 1768.

Common names: Canada anemone anémone du Canada
EndemicIllustrated
Synonyms: Anemone dichotoma var. canadensis (Linnaeus) C. MacMillan
Treatment appears in FNA Volume 3.

Aerial shoots (15-) 20-80 cm, from caudices on rhizomes, caudices ascending, rhizomes ascending to horizontal. Basal leaves 1-5, simple, deeply divided; petiole 8-22 (-37) cm; leaf-blade orbiculate, 4-10 × 5-15 (-20) cm, base sagittate to nearly truncate, margins serrate and incised on distal 1/3-1/2, apex acuminate, surfaces puberulous (more so abaxially); segments primarily 3, lanceolate to oblanceolate; lateral segments again 1×-lobed or parted (proximal lobe occasionally lobed again); ultimate segments 10-30 (-35) mm wide. Inflorescences 1 (-3+) -flowered, rarely cymes; peduncle puberulous to villous, distally densely villous; involucral-bracts 3 (secondary involucres with 2), remotely subtending flowers, (1-) 2-tiered, simple, ±similar to basal leaves, broadly obtriangular, 3-cleft, 3-10 cm, bases broadly cuneate, connate, margins sharply, irregularly serrate and incised on distal 1/3-1/2, apex acuminate, surfaces puberulous, more so abaxially; segments 3, lanceolate to oblanceolate; lateral segments unlobed or 1×-lobed; ultimate lobes (8-) 10-15 (-20) mm wide. Flowers: sepals (4-) 5 (-6), white, obovate, (8-) 10-20 (-25) × 5-15 mm, hairy or glabrous; stamens 80-100. Heads of achenes spheric to ovoid; pedicel 7.5-11.5 cm. Achenes: body obovoid to ellipsoid, (2.5-) 3-6 × 3.5-6 mm, winged, strigose or glabrate; beak straight, 2-6 mm, strigose, not plumose. 2n=14.


Phenology: Flowering spring–summer (May–Aug).
Habitat: Damp thickets, meadows, wet prairies, lake shores, streamsides, clearings, occasionally swampy areas
Elevation: 200-2800 m

Distribution

V3 571-distribution-map.gif

Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Colo., Conn., Ill., Ind., Iowa, Kans., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.J., N.Mex., N.Y., N.Dak., Ohio, Pa., S.Dak., Vt., W.Va., Wis., Wyo.

Discussion

Various parts of Anemone canadensis were used medicinally by Native Americans in the treatment of wounds, nasal hemorrhages, eye problems, and sore throats, to counteract witch medicines, and as a general panacea (D. E. Moerman 1986).

Selected References

None.

Lower Taxa

None.

"broadened" is not a number.

... more about "Anemone canadensis"
Bryan E. Dutton +, Carl S. Keener +  and Bruce A. Ford +
Linnaeus +
connate +
cuneate +  and sagittate to nearly +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
straight +
rudimentary +
not plumose +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
glabrate +  and strigose +
obovoid;ellipsoid +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
globose;cylindric +
Canada anemone +  and anémone du Canada +
2-9-flowered +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Colo. +, Conn. +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.Dak. +, Ohio +, Pa. +, S.Dak. +, Vt. +, W.Va. +, Wis. +  and Wyo. +
200-2800 m +
sessile +  and pedicellate +
showy +  and inconspicuous +
0 cm0 mm <br />0 m <br /> (60 cm600 mm <br />0.6 m <br />) +
stalked +, sessile +  and aggregate +
ovoid;obovoid +
Damp thickets, meadows, wet prairies, lake shores, streamsides, clearings, occasionally swampy areas +
spheric;ovoid +
axillary +  and terminal +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
1×-lobed +, unlobed +  and parted +
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
petiolate +, compound +  and simple +
whorled +, opposite +  and alternate +
palmate +  and pinnate +
incised;incised +
7.5 cm75 mm <br />0.075 m <br /> (11.5 cm115 mm <br />0.115 m <br />) +
villous +  and puberulous +
distinct +
conspicuous +
reduced +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
22 cm220 mm <br />0.22 m <br /> (37 cm370 mm <br />0.37 m <br />) +
8 cm80 mm <br />0.08 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Flowering spring–summer (May–Aug). +
Syst. Nat. ed. +
ascending +  and horizontal +
not arillate +  and stalked +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
not persistent +
distinct +
glabrous +  and hairy +
obovate +
0.35 cm3.5 mm <br />0.0035 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Endemic +  and Illustrated +
persistent +
puberulous;puberulous +
Anemone dichotoma var. canadensis +
Anemone canadensis +
species +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2-9-flowered +
herbaceous +  and woody +