Heuchera americana var. americana

unknown
Synonyms: Heuchera americana var. brevipetala FernaldHeuchera americana var. heteradenia FernaldHeuchera americana var. subtruncata RydbergHeuchera calycosa unknownHeuchera curtisii unknownHeuchera curtisii var. crenata unknownHeuchera lancipetala unknown
Treatment appears in FNA Volume 8. Treatment on page 94. Mentioned on page 95.
Revision as of 22:36, 26 July 2019 by FNA>Volume Importer
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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.
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
unknown +
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. +  and W.Va. +
70-1300 m +
Rich woods often over base-saturated granite and gneiss, or in shallow, rocky soil +
Flowering Apr–Jun. +
Illustrated +  and Endemic +
Heuchera americana var. brevipetala +, Heuchera americana var. heteradenia +, Heuchera americana var. subtruncata +, Heuchera calycosa +, Heuchera curtisii +, Heuchera curtisii var. crenata +  and Heuchera lancipetala +
Heuchera americana var. americana +
Heuchera americana +
variety +