Heuchera hispida Pursh. Section: Heuchera. Subsection: Heuchera. Purple Alumroot. Phen: Apr-Jun. Hab: Calcareous rocky forests, rock outcrops, particularly where soils are subacidic to circumneutral. Dist: S. PA south through MD, WV, and VA to nw. NC.

Origin/Endemic status: Endemic

Taxonomy Comments: This species is intermediate between H. americana and H. pubescens; it is almost certainly of hybrid origin. The treatment of this hybrid derivative of H. americana and H. pubescens as H. americana var. hispida (a variety of one parent) seems undesirable. Since it partly replaces its parents within its range, occurs in populations away from one or both parent, and is not strictly intermediate, it seems best to accord it species status.

Synonymy: = F, G, S, S13, Va, WV, Rosendahl, Butters, & Lakela (1936); = Heuchera ×hispida Pursh – C, Schuette et al (2018); = Heuchera americana L. var. hispida (Pursh) E.F.Wells – FNA8, K1, K3, K4, Wells (1984); = n/a – Pa; < Heuchera americana L. – RAB, W

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Wetland Indicator Status:

• Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
• Great Plains: FACU (taxonomic split from wetland indicator species)
• Midwest: FACU (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ?: 4