Anemone richardsonii

Hooker

Fl. Bor.-Amer. 1: 6. 1829.

Common names: Yellow anemone anémone de Richardson
Illustrated
Synonyms: Anemone vahlii Hornemann
Treatment appears in FNA Volume 3.

Aerial shoots 5-30 cm, from rhizomes, rhizomes horizontal. Basal leaves 1, simple; petiole (0.8-) 2-8 (-12) cm; leaf-blade reniform to ±orbiculate, (1-) 1.5-3 (-4) × 1.5-4 cm, base somewhat cordate, margins crenate to serrate ±throughout, apex acute to broadly acute, surfaces glabrous or ±villous, or abaxially glabrescent; segments primarily 3, rhombic; lateral segments unlobed or 1×-lobed; ultimate lobes 4-10 (-15) mm wide. Inflorescences 1-flowered; peduncle puberulous; involucral-bracts 2-3, 1-tiered, simple, ±similar to basal leaves, primarily rhombic, 1-3.5 cm, bases distinct, cuneate, margins crenate on distal 1/2, apex acute to narrowly acute, surfaces glabrous or ±villous, or abaxially glabrescent; segments 3, primarily rhombic; lateral segments unlobed, 2-10 mm wide. Flowers: sepals (4-) 6 (-8), yellow (rarely abaxially yellow, tinged blue, and adaxially yellow), elliptic, 8-15 × 4-10 mm, abaxially villous, especially proximally, adaxially glabrous; stamens 25-55. Heads of achenes loosely spheric; pedicel 3-20 cm. Achenes: body ovoid to oblong, 3-4 × ca. 1.5 mm, not winged, glabrous; beak recurved, 4-6 mm, glabrous. 2n=14.


Phenology: Flowering spring–summer (May–Aug).
Habitat: Thickets, moist woods, meadows, slopes
Elevation: 20-2200 m

Distribution

V3 771-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr. (Nfld.), N.W.T., Que., Sask., Yukon, Alaska, Asia

Discussion

Selected References

None.

Lower Taxa

None.

"broadened" is not a number.

... more about "Anemone richardsonii"
Bryan E. Dutton +, Carl S. Keener +  and Bruce A. Ford +
Hooker +
distinct +
cuneate +  and cordate +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
curved +  and straight +
rudimentary +
plumose +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
ovoid;oblong +
1.5 cm15 mm <br />0.015 m <br /> (?) +
globose;cylindric +
Yellow anemone +  and anémone de Richardson +
2-9-flowered +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Que. +, Sask. +, Yukon +, Alaska +  and Asia +
20-2200 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 +
Thickets, moist woods, meadows, slopes +
spheric +
axillary +  and terminal +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
unlobed +  and 1×-lobed +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
petiolate +, compound +  and simple +
whorled +, opposite +  and alternate +
palmate +  and pinnate +
crenate;crenate;serrate +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
distinct +
conspicuous +
reduced +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering spring–summer (May–Aug). +
Fl. Bor.-Amer. +
not arillate +  and stalked +
not persistent +
distinct +
glabrous +  and villous +
linear +  and oblong or ovate +
0.35 cm3.5 mm <br />0.0035 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Illustrated +
persistent +
glabrescent;villous;glabrous;glabrescent;villous;glabrous;glabrescent;villous;glabrous;glabrescent;villous;glabrous +
Anemone vahlii +
Anemone richardsonii +
species +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2-9-flowered +
herbaceous +  and woody +