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Abrams' alumroot, San Gabriel alum-root

sandia mountain alumroot

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

6–15 cm, short stipitate-glandular.

7–15 cm, short 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 short or long stipitate-glandular;

blade orbiculate, deeply 5-lobed, 0.5–2 cm, base cordate, lobes rounded, margins dentate, apex obtuse, surfaces short stipitate-glandular and sparsely long stipitate-glandular on veins abaxially, short stipitate-glandular adaxially.

Inflorescences

dense.

dense, (secund).

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 moderately bilaterally symmetric, free 1–1.5 mm, reddish or dark rose, campanulate, 4–5.5 mm, short stipitate-glandular proximally, long stipitate-glandular distally;

sepals somewhat spreading, darker red on tips, equal, 0.8–1.8 mm, apex obtuse or rounded;

petals spreading, pink, lanceolate, (clawed), unlobed, 2–2.5 mm (longer than sepals), margins entire;

stamens exserted 1 mm;

styles exserted 1–1.8 mm, 1.5–2 mm, 0.1+ mm diam.

Capsules

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

ovoid, 5 mm, beaks divergent, not papillose.

Seeds

dark brown, ellipsoid, 0.6 mm.

dark brown, ellipsoid, 0.8 mm.

Heuchera abramsii

Heuchera pulchella

Phenology Flowering Jul–Aug. Flowering Aug–Sep.
Habitat Rocky soil in red fir forest Canyons and mountain slopes
Elevation 2800-3100 m (9200-10200 ft) 2700-3200 m (8900-10500 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
NM
[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.)

Of conservation concern.

Heuchera pulchella occurs in northern and central New Mexico. It resembles H. abramsii, H. brevistaminea, H. caespitosa, and H. elegans; it is isolated geographically from the other species of this complex, all of southern California.

(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. richardsonii, H. rubescens, H. sanguinea, H. villosa, H. wootonii
Name authority Rydberg: in N. L. Britton et al., N. Amer. Fl. 22: 109. 1905 , Wooton & Standley: Contr. U.S. Natl. Herb. 16: 130. (1913)
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