Heuchera americana var. americana

Synonyms: Heuchera americana var. brevipetala Fernald Heuchera americana var. heteradenia Fernald Heuchera americana var. subtruncata Rydberg Heuchera calycosa Heuchera curtisii Heuchera curtisii var. crenata Heuchera lancipetala
Treatment appears in FNA Volume 8. Treatment on page 94. Mentioned on page 95.
Petioles glabrous or very short to sparsely long stipitate-glandular. Flowers: hypanthium free 0.6–1.5 mm, urceolate; petals greenish, white, or pink, narrower than sepals, margins entire or finely dentate. 2n = 14.

Phenology: Flowering Apr–Jun.
Habitat: Rich woods often over base-saturated granite and gneiss, or in shallow, rocky soil
Elevation: 70-1300 m

Distribution

V8 181-distribution-map.gif

Ont., Ala., Ark., Conn., Del., Ga., Ill., Ind., Ky., La., Md., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Va., W.Va.

Discussion

Variety americana is widely distributed from Connecticut to Georgia and from southern Ontario and Ohio to Oklahoma and northwestern Louisiana. It intergrades with Heuchera pubescens and H. richardsonii where their ranges overlap, but not with H. longiflora, H. parviflora, or H. villosa, which also share overlapping ranges with it.

Selected References

None.

Lower Taxa

None.

AuthorElizabeth Fortson Wells + and Barbara Greene Shipes +
AuthorityLinnaeus +
DistributionOnt. +, Ala. +, Ark. +, Conn. +, Del. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Mich. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, S.C. +, Tenn. +, Va. + and W.Va. +
Elevation70-1300 m +
HabitatRich woods often over base-saturated granite and gneiss, or in shallow, rocky soil +
IllustrationPresent +
Illustration copyrightFlora of North America Association +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering Apr–Jun. +
Publication titleSp. Pl. +
Publication year1753 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V8/V8 181.xml +
SynonymsHeuchera americana var. brevipetala +, Heuchera americana var. heteradenia +, Heuchera americana var. subtruncata +, Heuchera calycosa +, Heuchera curtisii +, Heuchera curtisii var. crenata + and Heuchera lancipetala +
Taxon familySaxifragaceae +
Taxon nameHeuchera americana var. americana +
Taxon parentHeuchera americana +
Taxon rankvariety +
VolumeVolume 8 +