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ash-gray Indian paintbrush, ash-gray paintbrush

Tushar Indian paintbrush, Tushar Mountains paintbrush, Tushar Plateau Indian paintbrush

Habit Herbs, perennial, 0.5–3 dm; from a woody caudex; with a taproot. Herbs, perennial, 1–2 dm; from a woody caudex; with a taproot or stout, branched roots.
Stems

several to many, erect to ascending, or decumbent, inflorescence erect in high-elevation form, unbranched, sometimes branched, hairs dense, spreading, ashy gray, short and long, soft, mixed with short stipitate-glandular ones.

several to many, decumbent to ascending, unbranched except for small, leafy axillary shoots, hairs retrorse, short proximally, spreading, longer distally, soft, stipitate-glandular.

Leaves

green, brown, purple, or deep gray, linear or narrowly to broadly lanceolate to sometimes ovate, 0.7–3 cm, not fleshy, margins plane, slightly involute, 0(–3)-lobed, apex acuminate;

lobes ascending to spreading, linear to lanceolate, apex acuminate.

green to blackish, proximalmost small and scalelike, linear to narrowly or broadly lanceolate, 1–3(–4) cm, not fleshy, margins plane, involute, 0(–3)-lobed, apex obtuse to rounded;

lobes ascending, linear or short-lanceolate, very small, apex acute to obtuse.

Inflorescences

1–8.5 × 2–5 cm;

bracts proximally greenish or deep reddish purple, distally burnt orange, sometimes yellow or deep red to deep burgundy, proximal sometimes lanceolate with narrow lobes, distal or all bracts broadly lanceolate to oblong or slightly oblanceolate, (0–)3–5-lobed, appearing dusty with dense, short stipitate-glandular hairs, many with a nodulose to pillarlike, crystallized, usually pigmented exudate, papillose at 40x;

lobes ascending-spreading, oblong or oblanceolate, short, arising above mid length, central lobe apex rounded, often expanded, rounded, or truncate, lateral ones acute to rounded.

4–6.5 × 1–3 cm;

bracts proximally greenish to deep purple near base, distally magenta, deep pink, or red, broadly lanceolate to elliptic, oblong, or ovate, 0–5-lobed;

lobes ascending to erect, triangular to oblong, short, arising near apex, central lobe apex rounded, lateral ones acute to rounded.

Corollas

straight, 12–18 mm;

tube 9–14 mm;

beak included or tip just barely exserted, adaxially green or pale yellow to deep burgundy, 3–5 mm;

abaxial lip green, burgundy, or reddish purple (in high-elevation form), little inflated, small, included, 2 mm, to 20% as long as beak;

teeth incurved, green, 0.2–0.5 mm.

straight, 16–24 mm;

tube 10–13(–15) mm;

beak exserted, adaxially green, 4.5–8(–9) mm;

abaxial lip green to deep purple, reduced, 1–3 mm, 40–45% as long as beak;

teeth incurved, greenish, (0.5–)1–2.5 mm.

Calyces

colored as bracts, sometimes whitish proximally, 1.5–20 mm (shorter in upper elevation form);

abaxial and adaxial clefts 3.5–8 mm, 30–50% of calyx length, all 4 clefts subequal;

lobes linear to narrowly oblong or oblanceolate, apex obtuse to rounded, densely stipitate-glandular.

colored as bracts, 12–18 mm;

abaxial and adaxial clefts 5.5–8.5(–10) mm, ca. 50% of calyx length, deeper than laterals, lateral 1–3(–5) mm, ca. 25% of calyx length;

lobes broadly linear or narrowly triangular, apex acute to obtuse, sometimes rounded.

2n

= 24.

Castilleja cinerea

Castilleja parvula

Phenology Flowering May–Aug(–Oct). Flowering Jun–Aug.
Habitat Dry rocky slopes, ridges, and flats, pebble plains, sagebrush openings, open conifer forests. Gravelly meadows, rocky slopes, talus, ridges, krummholz zone or alpine.
Elevation 1800–3100 m. (5900–10200 ft.) 2700–3700 m. (8900–12100 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Castilleja cinerea is endemic to the higher elevations of the San Bernardino Mountains, San Bernardino County. Most plants are upright to ascending and have yellow to yellow-orange inflorescences, with occasional plants ranging to dull red, especially with age. On Sugarloaf Mountain, mostly above 2700 m, is a distinctive form with consistently reddish purple to burgundy inflorescences and a strongly decumbent growth form.

Castilleja cinerea is most often associated with and likely parasitic on Artemisia nova and Eriogonum species. Castilleja cinerea is known from few populations and is threatened by livestock grazing, development, and vehicle use. It is listed as a threatened species under the Endangered Species Act of the United States.

The crystalline exudate associated with the stipitate-glandular pubescence of the distal portion of the bracts is unique in the genus.

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

Castilleja parvula is limited to the upper elevations of the Tushar Mountains. Morphologically, it appears to be a species derived from the widespread Rocky Mountains species C. rhexiifolia.

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

Source FNA vol. 17, p. 597. FNA vol. 17, p. 642.
Parent taxa Orobanchaceae > Castilleja Orobanchaceae > Castilleja
Sibling taxa
C. affinis, C. ambigua, C. angustifolia, C. applegatei, C. aquariensis, C. arachnoidea, C. attenuata, C. brevilobata, C. brevistyla, C. campestris, C. cervina, C. chambersii, C. chlorotica, C. christii, C. chromosa, C. chrymactis, C. chrysantha, C. citrina, C. coccinea, C. collegiorum, C. covilleana, C. crista-galli, C. cryptantha, C. cusickii, C. densiflora, C. dissitiflora, C. disticha, C. elata, C. elegans, C. elmeri, C. exserta, C. flava, C. foliolosa, C. fraterna, C. genevieveana, C. glandulifera, C. gleasoni, C. gracillima, C. grisea, C. haydenii, C. hispida, C. hololeuca, C. hyperborea, C. indivisa, C. integra, C. kaibabensis, C. kerryana, C. kraliana, C. lacera, C. lanata, C. lasiorhyncha, C. lassenensis, C. latifolia, C. lemmonii, C. leschkeana, C. levisecta, C. linariifolia, C. lindheimeri, C. lineariloba, C. lineata, C. litoralis, C. lutescens, C. martini, C. mendocinensis, C. mexicana, C. miniata, C. minor, C. mogollonica, C. mollis, C. montigena, C. nana, C. nelsonii, C. nervata, C. nivea, C. occidentalis, C. oresbia, C. organorum, C. ornata, C. pallescens, C. pallida, C. parviflora, C. parvula, C. patriotica, C. peckiana, C. peirsonii, C. pilosa, C. plagiotoma, C. praeterita, C. pruinosa, C. puberula, C. pulchella, C. purpurascens, C. purpurea, C. raupii, C. revealii, C. rhexiifolia, C. rigida, C. rubicundula, C. rubida, C. rupicola, C. salsuginosa, C. scabrida, C. schizotricha, C. septentrionalis, C. sessiliflora, C. subinclusa, C. suksdorfii, C. tenuiflora, C. tenuis, C. thompsonii, C. tomentosa, C. uliginosa, C. unalaschcensis, C. victoriae, C. viscidula, C. wightii, C. wootonii, C. xanthotricha
C. affinis, C. ambigua, C. angustifolia, C. applegatei, C. aquariensis, C. arachnoidea, C. attenuata, C. brevilobata, C. brevistyla, C. campestris, C. cervina, C. chambersii, C. chlorotica, C. christii, C. chromosa, C. chrymactis, C. chrysantha, C. cinerea, C. citrina, C. coccinea, C. collegiorum, C. covilleana, C. crista-galli, C. cryptantha, C. cusickii, C. densiflora, C. dissitiflora, C. disticha, C. elata, C. elegans, C. elmeri, C. exserta, C. flava, C. foliolosa, C. fraterna, C. genevieveana, C. glandulifera, C. gleasoni, C. gracillima, C. grisea, C. haydenii, C. hispida, C. hololeuca, C. hyperborea, C. indivisa, C. integra, C. kaibabensis, C. kerryana, C. kraliana, C. lacera, C. lanata, C. lasiorhyncha, C. lassenensis, C. latifolia, C. lemmonii, C. leschkeana, C. levisecta, C. linariifolia, C. lindheimeri, C. lineariloba, C. lineata, C. litoralis, C. lutescens, C. martini, C. mendocinensis, C. mexicana, C. miniata, C. minor, C. mogollonica, C. mollis, C. montigena, C. nana, C. nelsonii, C. nervata, C. nivea, C. occidentalis, C. oresbia, C. organorum, C. ornata, C. pallescens, C. pallida, C. parviflora, C. patriotica, C. peckiana, C. peirsonii, C. pilosa, C. plagiotoma, C. praeterita, C. pruinosa, C. puberula, C. pulchella, C. purpurascens, C. purpurea, C. raupii, C. revealii, C. rhexiifolia, C. rigida, C. rubicundula, C. rubida, C. rupicola, C. salsuginosa, C. scabrida, C. schizotricha, C. septentrionalis, C. sessiliflora, C. subinclusa, C. suksdorfii, C. tenuiflora, C. tenuis, C. thompsonii, C. tomentosa, C. uliginosa, C. unalaschcensis, C. victoriae, C. viscidula, C. wightii, C. wootonii, C. xanthotricha
Synonyms Orthocarpus cinereus
Name authority A. Gray: Proc. Amer. Acad. Arts 19: 93. (1883) — (as Castilleia) Rydberg: Bull. Torrey Bot. Club 34: 40. (1907)
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