Anemone americana

(de Candolle) H. Hara

J. Jap. Bot. 33: 271. 1958

Common names: Round-lobed hepatica anémone d'Amérique hépatique d'Amérique
EndemicIllustrated
Basionyms: Hepatica triloba var. americana de Candolle Syst. Nat. 1: 216. 1817
Synonyms: Hepatica americana (de Candolle) Ker-Gawler Hepatica nobilis var. obtusa (Pursh) Steyermark Hepatica triloba var. obtusa Pursh
Treatment appears in FNA Volume 3.
Aerial shoots 5-18 cm, from rhizomes, rhizomes ascending to horizontal. Basal leaves 3-15, often purplish abaxially, simple, deeply divided; petiole 5-20 cm; leaf blade widely orbiculate, 1.5-7 × 2-10 cm, base cordate, margins entire, apex rounded, surfaces strongly villous to glabrescent; lobes 3(-4), widely ovate, 1-4 cm wide; middle lobe 50-70(-75)% of total blade length. Inflorescences 1-flowered, villous to pilose; involucral bracts 3, 1-tiered, simple, dissimilar to basal leaves, sessile, calyx-like, closely subtending flower, ovate or elliptic, 0.65-1.8 × 0.5-1.2 cm, bases distinct, cuneate, margins entire, apex obtuse, strongly villous to glabrescent. Flowers: sepals 5-12, white to pink or bluish, ovate to obovate 7.5-14.5 × 3.5-7.7 mm, glabrous; petals absent; stamens 10-30. Heads of achenes spheric; pedicel 0.1-0.4 cm. Achenes: body narrowly ovoid, 3.5-5 × 1.2-1.6 mm, slightly winged, hispid, gradually tapering; beak indistinct. 2n=14.

Phenology: Flowering spring.
Habitat: Mixed woods, often in association with both conifers and deciduous trees
Elevation: 0-1200 m

Distribution

V3 798-distribution-map.gif

Man., N.B., N.S., Ont., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Anemone americana is found in habitats similar to those of A. acutiloba but usually in drier sites with more acid soils.

Selected References

None.

Lower Taxa

None.

Facts about "Anemone americana"
AuthorBryan E. Dutton +, Carl S. Keener + and Bruce A. Ford +
Authority(de Candolle) H. Hara +
BasionymsHepatica triloba var. americana +
Common nameRound-lobed hepatica +, anémone d'Amérique + and hépatique d'Amérique +
DistributionMan. +, N.B. +, N.S. +, Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. + and Wis. +
Elevation0-1200 m +
HabitatMixed woods, often in association with both conifers and deciduous trees +
IllustrationPresent +
Illustration copyrightFlora of North America Association +
IllustratorJohn Myers +
PhenologyFlowering spring. +
Publication titleJ. Jap. Bot. +
Publication year1958 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V3/V3 798.xml +
Special statusEndemic + and Illustrated +
SynonymsHepatica americana +, Hepatica nobilis var. obtusa + and Hepatica triloba var. obtusa +
Taxon familyRanunculaceae +
Taxon nameAnemone americana +
Taxon parentAnemone +
Taxon rankspecies +
VolumeVolume 3 +