Flora of North America species comparison

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Heuchera parviflora var. parviflora

Heuchera parviflora var. puberula
Photo is of parent taxon

littleflower alumroot
Photo is of parent taxon

littleflower alumroot
Leaves

petiole sparsely to densely long stipitate-glandular;

blade surfaces sparsely to densely long stipitate-glandular abaxially, sparsely short stipitate-glandular adaxially, hairs 0.7–2.5 mm.

petiole densely short stipitate-glandular;

blade surfaces densely short stipitate-glandular, hairs to 0.6 mm.
Hypanthia

densely long stipitate-glandular.

densely short stipitate-glandular.
2n

= 14.

= 14.

Heuchera parviflora var. parviflora

Heuchera parviflora var. puberula
Phenology Flowering Jul–Sep. Flowering Jul–Sep.
Habitat Shaded or north-facing sandstone or limestone ledges or rock undercuts Shaded or north-facing sandstone or limestone ledges or rock undercuts
Elevation 300-800 m (1000-2600 ft) 200-500 m (700-1600 ft)
Distribution
from FNA
AL; IL; IN; KY; MO; MS; NC; SC; TN; VA; WV
[BONAP county map]
from FNA
AR; IN; KY; MO
[BONAP county map]
Discussion

Variety parviflora is sparsely to densely long stipitate-glandular on petioles, peduncles, and abaxial leaf surfaces. It is the more widespread variety in the species, occupying a large area in the southern Appalachian Mountains and Interior Plateau east of the Mississippi River and in Missouri.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety puberula is uniformly short stipitate-glandular and is mostly restricted to the Ozark Mountains of Arkansas and Missouri, plus sites in central Kentucky and southern Indiana.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 90. FNA vol. 8, p. 90.
Parent taxa Saxifragaceae > Heuchera > Heuchera parviflora Saxifragaceae > Heuchera > Heuchera parviflora
Sibling taxa
H. parviflora var. puberula
H. parviflora var. parviflora
Synonyms H. missouriensis, H. parviflora var. rugelii H. puberula
Name authority unknown (Mackenzie & Bush) E. F. Wells: Rhodora 81: 577. (1979)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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