Flora of North America species comparison

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Heuchera sanguinea

coralbells
Habit Herbs acaulescent; caudex branched.
Flowering stems

20–40 cm, short and sometimes long stipitate-glandular.
Leaves

petiole long stipitate-glandular;

blade reniform to orbiculate, shallowly 5–7-lobed, 2–5.5 cm, base cordate, lobes rounded, margins dentate, apex acute to obtuse, surfaces long stipitate-glandular on veins abaxially, glabrous or sparsely long stipitate-glandular adaxially.
Inflorescences

moderately dense to diffuse.
Flowers

hypanthium weakly bilaterally to radially symmetric, free 2.5–2.8 mm, dark pink to red, broadly campanulate or urceolate, 4–8 mm, short stipitate-glandular proximally, sparsely long stipitate-glandular distally;

sepals spreading, darker red-tipped, equal, 2–3 mm, apex oblong or rounded;

petals spreading, pink or cream, narrowly oblanceolate, unlobed, 1.2–1.8 mm (shorter than sepals), margins entire;

stamens included 1.5–3 mm;

styles included 1.5–3 mm, 1.5–2 mm, 0.1+ mm diam.
Capsules

ovoid, 4.5–6 mm, beaks divergent, not papillose.
Seeds

dark brown, ellipsoid, 0.5–0.6 mm, bluntly spiny.

Heuchera sanguinea
Phenology Flowering Mar–Oct.
Habitat Moist, shaded rocks
Elevation 1200-2600 m (3900-8500 ft)
Distribution
from FNA
AZ; NM; Mexico (Chihuahua)
[WildflowerSearch map]
[BONAP county map]
Discussion

Heuchera sanguinea occurs in the southwestern United States and northern Chihuahua, Mexico, and is widely cultivated throughout the cooler parts of North America.

Heuchera sanguinea varies considerably within populations in shape, lobing, and size of leaves, in amount of hairs, and in shape, form, and color of flowers. Rydberg recognized var. pulchra as characterized by denser inflorescences and longer hairs on its pedicels, inferior part of the ovary, and sepals. Mixed populations with individuals bearing longer and shorter hairs can be found throughout the range of the species, especially in Arizona. It seems best to recognize H. sanguinea as a variable species without infraspecific taxa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 100.
Parent taxa Saxifragaceae > Heuchera
Sibling taxa
H. abramsii, H. alba, H. americana, H. bracteata, H. brevistaminea, H. caespitosa, H. caroliniana, H. chlorantha, H. cylindrica, H. eastwoodiae, H. elegans, H. glabra, H. glomerulata, H. grossulariifolia, H. hallii, H. hirsutissima, H. longiflora, H. maxima, H. merriamii, H. micrantha, H. novamexicana, H. parishii, H. parviflora, H. parvifolia, H. pilosissima, H. pubescens, H. pulchella, H. richardsonii, H. rubescens, H. villosa, H. wootonii
Synonyms H. sanguinea var. pulchra
Name authority Engelmann: in F. A. Wislizenus, Mem. Tour N. Mexico, 107. 1848 ,
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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