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Abrams' alumroot, San Gabriel alum-root

coralbells

Habit Herbs subcaulescent; caudex branched. Herbs acaulescent; caudex branched.
Flowering stems

6–15 cm, short stipitate-glandular.

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

Leaves

petiole glabrous or short stipitate-glandular and scattered medium stipitate-glandular;

blade ovate, deeply 5-lobed, 0.5–2 cm, base truncate or shallowly cordate, lobes rounded, margins dentate, apex obtuse, surfaces short stipitate-glandular abaxially, sparsely long stipitate-glandular adaxially.

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

dense.

moderately dense to diffuse.

Flowers

hypanthium strongly bilaterally symmetric, free 1.5–2 mm on adaxial side, reddish purple, cylindric, 4–5 mm, short stipitate-glandular proximally, medium stipitate-glandular distally;

sepals spreading, green-tipped, unequal, 1.2–1.5 mm, apex obtuse or rounded;

petals spreading, white, spatulate or oblanceolate, rarely linear, unlobed, 1.5–2.5 mm (equaling or longer than sepals), margins entire;

stamens barely included to 1.5 mm exserted;

styles exserted 1.5–2 mm, 2.5–3 mm, 0.1+ mm diam.

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, 3.5–5 mm, beaks divergent, not papillose.

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

Seeds

dark brown, ellipsoid, 0.6 mm.

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

Heuchera abramsii

Heuchera sanguinea

Phenology Flowering Jul–Aug. Flowering Mar–Oct.
Habitat Rocky soil in red fir forest Moist, shaded rocks
Elevation 2800-3100 m (9200-10200 ft) 1200-2600 m (3900-8500 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
AZ; NM; Mexico (Chihuahua)
[WildflowerSearch map]
[BONAP county map]
Discussion

Heuchera abramsii occurs in the San Antonio Mountains and the eastern part of the San Gabriel Mountains, San Bernardino and Los Angeles counties. It closely resembles H. brevistaminea, H. caespitosa, H. elegans, and H. pulchella.

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

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. 99. FNA vol. 8, p. 100.
Parent taxa Saxifragaceae > Heuchera Saxifragaceae > Heuchera
Sibling taxa
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. sanguinea, H. villosa, H. wootonii
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 Rydberg: in N. L. Britton et al., N. Amer. Fl. 22: 109. 1905 , Engelmann: in F. A. Wislizenus, Mem. Tour N. Mexico, 107. 1848 ,
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