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Chiricahua Mountain alum-root

Senator Mine alumroot

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

25–40 cm, long stipitate-glandular.

30–50 cm, short or 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 nearly glabrous or short to long stipitate-glandular;

blade (purple abaxially, variegated adaxially), orbiculate-cordate, shallowly 5-lobed, 2.5–8.5 cm, base cordate, lobes rounded, margins dentate, apex short-apiculate, surfaces short to long stipitate-glandular abaxially, short stipitate-glandular or sparsely long stipitate-glandular adaxially.

Inflorescences

dense, (interrupted).

dense.

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 weakly bilaterally symmetric, free 1.5–2 mm, cream or greenish, broadly turbinate or campanulate, 3–4.5 mm, short or sparsely medium stipitate-glandular;

sepals 6, incurved at apex, red-tipped, equal, 1–1.5 mm, apex acute;

petals absent or (1–)6 and much reduced, erect, greenish, lanceolate, unlobed, 1 mm, margins entire;

stamens 6, included 1 mm;

styles included 1.5 mm, to 1 mm, 0.1+ mm diam.

Capsules

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

ovoid, 5–7 mm, beaks divergent, not papillose.

Seeds

black, fusiform, 0.5 mm.

dark brown, asymmetrically ellipsoid or convex-fusiform, 0.6 mm.

2n

= 14.

Heuchera glomerulata

Heuchera eastwoodiae

Phenology Flowering May. Flowering May–Aug.
Habitat Shaded, rocky slopes Shaded, rocky slopes
Elevation 1300-2000 m (4300-6600 ft) 1500-1900 m (4900-6200 ft)
Distribution
from FNA
AZ; NM
[BONAP county map]
from FNA
AZ
[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.)

Heuchera eastwoodiae occurs in central Arizona and is unique in the genus for its hexamerous flowers.

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

Source FNA vol. 8, p. 103. FNA vol. 8, p. 102.
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. 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
Name authority Rosendahl: Minnesota Stud. Pl. Sci. 2: 155. (1936) Rosendahl: Minnesota Stud. Pl. Sci. 2: 152. (1936)
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