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Mill Creek alum-root, Parish's alumroot

bract alumroot, Rocky Mountain alumroot

Habit Herbs subcaulescent; caudex branched. Herbs usually subcaulescent; caudex branched or unbranched.
Flowering stems

8–40 cm, long stipitate-glandular, viscid.

leafy, 6–28(–38) cm, short stipitate-glandular.

Leaves

petiole densely long stipitate-glandular;

blade broadly ovate or reniform, deeply 5-lobed, 2–4 cm, base cordate or truncate, lobes rounded, margins dentate, apex obtuse, surfaces long stipitate-glandular, viscid.

petiole short to medium stipitate-glandular;

blade reniform or broadly ovate, shallowly 5–7-lobed, 1.5–4 cm, base subcordate or truncate, lobes rounded, margins sharply dentate, apex often mucronate, surfaces short stipitate-glandular or sparsely long stipitate-glandular abaxially, short stipitate-glandular adaxially.

Inflorescences

dense, (secund).

dense, (secund).

Flowers

hypanthium strongly bilaterally symmetric, free 0.8 mm on abaxial side, 1.2–2 mm on adaxial side, weakly inflated, pink to reddish, narrowly campanulate, 3.5–6 mm, short stipitate-glandular proximally, long stipitate-glandular distally;

sepals erect, green-tipped, unequal, 0.5–1 mm on abaxial side, 1.5–2 mm on adaxial side, apex rounded;

petals spreading, pink, narrowly oblanceolate, unlobed, (unequal, shorter on abaxial side, resembling filaments), 2–3 mm (equaling or longer than sepals), margins entire;

stamens exserted 1.5 mm;

styles exserted 0.5–1.5 mm, 1.5–2.5 mm, 0.1+ mm diam.

hypanthium weakly bilaterally symmetric, free 0.5–1.5 mm, greenish yellow, narrowly campanulate, 3–5 mm, short stipitate-glandular;

sepals erect, green-tipped, equal, 1–1.5 mm, apex rounded;

petals erect, green, oblanceolate, unlobed, 2 mm, margins entire;

stamens exserted 0.5–1 mm;

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

Capsules

ovoid, 4–6 mm, beaks divergent, not papillose.

ovoid, 4–6 mm, beaks divergent, not papillose.

Seeds

black, fusiform, rounded at 1 end, acute at other, ca. 0.9 mm.

brownish black, nearly straight along 1 side, convex on other side, 0.7–0.8 mm.

Heuchera parishii

Heuchera bracteata

Phenology Flowering Jul–Aug. Flowering May–Jul.
Habitat Shaded rocky places in yellow pine and red fir forest Shaded rocky ledges and outcrops
Elevation 1500-3800 m (4900-12500 ft) 1700-3500 m (5600-11500 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Heuchera parishii occurs in the San Bernardino Mountains.

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

Heuchera bracteata occurs in the Rocky Mountains and foothills of northern Colorado and southern Wyoming.

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

Source FNA vol. 8, p. 98. FNA vol. 8, p. 97.
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. glomerulata, H. grossulariifolia, H. hallii, H. hirsutissima, H. longiflora, H. maxima, H. merriamii, H. micrantha, H. novamexicana, 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. 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
Synonyms H. alpestris Tiarella bracteata
Name authority Rydberg: in N. L. Britton et al., N. Amer. Fl. 22: 109. (1905) (Torrey) Seringe: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 4: 52. 1830 ,
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