Anemone virginiana var. alba

(Oakes) A. W. Wood

Class-book Bot. ed. 2(a), 140. 1847.

Endemic
Basionym: Anemone cylindrica var. alba Oakes Mag. Hort. Bot. 7: 182. 1841
Synonyms: Anemone riparia Fernald Anemone virginiana var. riparia (Fernald) B.Boivin
Treatment appears in FNA Volume 3.

Inflorescences: involucral-bracts with base often truncate to subtruncate, sometimes reniform or cordate; terminal leaflets dark green, margins proximally concave to straight-sided, distally incised, abaxially thinly pubescent. Flowers: sepals (9-) 10-21 mm, abaxially thinly pubescent; anthers 0.8-1.2 (-1.7) mm. Heads of achenes ±ovoid-cylindric, 8-10 (-11) mm diam. 2n=16.


Phenology: Flowering spring–summer (May–Jul).
Habitat: Riparian areas, moist cliffs and ledges
Elevation: 10-1000 m

Distribution

V3 819-distribution-map.gif

N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Conn., Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Vt., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"broadened" is not a number.

0.12 cm1.2 mm <br />0.0012 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Bryan E. Dutton +, Carl S. Keener +  and Bruce A. Ford +
(Oakes) A. W. Wood +
distinct +
cuneate +  and broadly cuneate +
Anemone cylindrica var. alba +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
rudimentary +
puberulous +
not plumose +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
obovoid +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
globose;cylindric +
ascending;vertical +
(1-)3-9-flowered +
N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, Que. +, Conn. +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Vt. +  and Wis. +
10-1000 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 +
Riparian areas, moist cliffs and ledges +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
ovoid-cylindric +
axillary +  and terminal +
sepaloid +  and leaflike +
petiolate +, compound +  and simple +
whorled +, opposite +  and alternate +
straight-sided +
incised;concave +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
13 cm130 mm <br />0.13 m <br /> (25 cm250 mm <br />0.25 m <br />) +
distinct +
conspicuous +
reduced +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
5 cm50 mm <br />0.05 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Flowering spring–summer (May–Jul). +
Class-book Bot. ed. +
not arillate +  and stalked +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 m <br />) +
red;yellow;red;yellow;green +
not persistent +
distinct +
obovate +, ovate +  and oblong +
1 cm10 mm <br />0.01 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (1 cm10 mm <br />0.01 m <br />) +
100 cm1,000 mm <br />1 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
persistent +
pilose;pilose +
Anemone riparia +  and Anemone virginiana var. riparia +
Anemone virginiana var. alba +
Anemone virginiana +
variety +
sessile;nearly;sessile +
10 cm100 mm <br />0.1 m <br /> (12 cm120 mm <br />0.12 m <br />) +
5 cm50 mm <br />0.05 m <br /> (7 cm70 mm <br />0.07 m <br />) +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
elliptic;oblanceolate +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2-9-flowered +
herbaceous +  and woody +