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Chiricahua Mountain alum-root

shaggyhair alum-root

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

25–40 cm, long stipitate-glandular.

10–40 cm, short stipitate-glandular and sparsely long stipitate-glandular.

Leaves

petiole short stipitate-glandular;

blade (purple abaxially, variegated adaxially), ovate to orbiculate, shallowly 5-lobed, 2.5–9 cm, base cordate, lobes rounded, margins dentate, apex obtuse, surfaces short stipitate-glandular, long stipitate-glandular on veins abaxially, short stipitate-glandular and sparsely long stipitate-glandular adaxially.

petiole long stipitate-glandular;

blade orbiculate to reniform, shallowly 5-lobed, 1–1.5 cm, base cordate, lobes rounded, margins dentate, apex obtuse, surfaces long stipitate-glandular.

Inflorescences

dense, (interrupted).

Flowers

hypanthium radially symmetric, free 0.8–1.2 mm, yellowish green, campanulate, 3.5–5 mm, densely long stipitate-glandular mixed with short stipitate-glandular;

sepals erect or incurved at tip, green-tipped, equal, 1.5–2 mm, apex acute;

petals erect, white, narrowly oblanceolate, (clawed), unlobed, 1.5–1.8 mm, margins entire;

stamens included 0.5 mm; (filaments strongly incurved, slender, shorter than and almost concealed by anthers);

styles included 1 mm, to 0.5 mm, 0.1+ mm diam.

hypanthium strongly bilaterally symmetric, free 0.8 mm on abaxial side, 1.8 mm on adaxial side, pink, narrowly cylindric, 5–6.5 mm, short stipitate-glandular proximally, densely long stipitate-glandular distally;

sepals spreading, green- and red-tipped, unequal, 0.5–1.5 mm on abaxial side of hypanthium, to 0.5 mm on adaxial side, apex rounded;

petals spreading, white, oblanceolate, (clawed), unlobed, 2–2.5 mm (equaling or longer than sepals, rarely shorter), margins entire;

stamens exserted to 0.5 mm;

styles included to 0.5 mm, 1.5 mm, 0.1+ mm diam.

Capsules

ovoid, 4–5 mm, beaks divergent, not papillose.

ovoid, 3 mm, beaks divergent, not papillose.

Seeds

black, fusiform, 0.5 mm.

dark brown, ellipsoid, ca. 0.7 mm.

Inflorescenses

dense.

2n

= 14.

= 14.

Heuchera glomerulata

Heuchera hirsutissima

Phenology Flowering May. Flowering Jul–Aug.
Habitat Shaded, rocky slopes Fir and subalpine forest
Elevation 1300-2000 m (4300-6600 ft) 2100-3500 m (6900-11500 ft)
Distribution
from FNA
AZ; NM
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Heuchera glomerulata occurs in the Chiricahua and Pinaleno mountains of southeastern Arizona and in New Mexico.

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

Of conservation concern.

Heuchera hirsutissima is known from Mount San Jacinto and the San Jacinto Mountains of Riverside County and possibly the San Bernardino Mountains of San Bernardino County. It resembles H. caespitosa and H. elegans, except for its densely villous hypanthium and minute adaxial sepals.

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

Source FNA vol. 8, p. 103. FNA vol. 8, p. 99.
Parent taxa Saxifragaceae > Heuchera 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. 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. 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
Name authority Rosendahl: Minnesota Stud. Pl. Sci. 2: 155. (1936) Rosendahl: Minnesota Stud. Pl. Sci. 2: 110. (1936)
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