Heuchera americana var. americana
Synonyms: Heuchera americana var. brevipetala FernaldHeuchera americana var. heteradenia FernaldHeuchera americana var. subtruncata RydbergHeuchera calycosa unknownHeuchera curtisii unknownHeuchera curtisii var. crenata unknownHeuchera lancipetala unknown
Revision as of 22:36, 26 July 2019 by FNA>Volume Importer
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
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.