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harsh Indian paintbrush, harsh paintbrush, hispid or harsh or bristly paintbrush

cobwebby Indian paintbrush, cobwebby paintbrush, cotton paintbrush

Habit Herbs, perennial, 1.3–5(–6) dm; from a woody caudex; with a taproot. Herbs, perennial, 0.6–2(–3) dm; from branched, sometimes elongate, creeping basal stems; with a taproot.
Stems

few to many, erect or ascending, unbranched, sometimes with inconspicuous, short, leafy axillary shoots, hairs spreading to erect, long, soft to stiff, mixed with shorter stipitate-glandular ones.

solitary or few to many, decumbent-ascending, unbranched, sometimes branched, hairs dense, reflexed-spreading, matted, long, soft, unbranched, eglandular, white-woolly.

Leaves

green, sometimes purple-tinged, margins sometimes red-brown, linear or narrowly to broadly lanceolate to narrowly oblong, oblanceolate, or ovate, 1–8.5 cm, not fleshy, margins plane or wavy, involute or flat, (0–)3–5(–7)-lobed, apex acute to rounded or acuminate;

lobes ascending, linear to narrowly lanceolate, much narrower than mid blade, apex acute to rounded.

green to purple or steel gray, lanceolate-linear or narrowly lanceolate, (1–)2–4(–6) cm, not fleshy, margins plane, involute, 3(–5)-lobed, apex acute;

lobes spreading, linear to lanceolate, apex acute to rounded.

Inflorescences

3–16(–30 in fruit) × 2–5 cm;

bracts proximally greenish to dull reddish purple, distally red to orange or yellow, sometimes crimson, scarlet, orange-red, red-orange, or burnt orange, often becoming paler and/or duller with age, lanceolate to oblong, ovate, or obovate, 3–5(–11)-lobed;

lobes spreading to ascending, linear to oblong or narrowly lanceolate, medium length or long, arising at or above mid length, central lobe apex obtuse to rounded or truncate, sometimes emarginate, truncate, or acute, lateral ones acute to obtuse.

erect to ascending, 3–12 × 1–2.5 cm;

bracts proximally greenish to dull reddish brown, rarely dull red or dull orange, distally dull red, deep rusty red, or yellow to pale yellow, sometimes deep pink, dull rose, pale salmon, or dull light orange, rarely green, dull reddish, or dull orange throughout, aging browner and/or more orange, lanceolate or elliptic-lanceolate to obovate, (0–)3–5-lobed;

lobes usually ascending, linear, lanceolate, oblanceolate, or spatulate, long, arising near or below mid length, central lobe apex rounded to truncate, others obtuse to rounded.

Corollas

slightly curved, 17–38 mm;

tube 12–18 mm;

beak exserted, adaxially green, sometimes yellowish, rarely red-brown, 9–20 mm;

abaxial lip ascending, deep green, reduced, curved, 0.5–3 mm, to 10–33% length of beak;

teeth incurved, reduced, green, 0.5–1.2 mm.

straight or ± curved, 12–20 mm;

tube 9–15 mm;

beak subequal to calyx or slightly exserted, adaxially green or yellow-green, (2–)3–5 mm, ± densely puberulent, hairs often crisped;

abaxial lip yellow, greenish, pink, or red-violet, moderately conspicuous, exserted to barely included in calyx;

pouches shallow, prominent, 2–4 mm, ca. 100% as long as beak;

teeth erect, red, pink, or pale yellow, 1 mm.

Calyces

colored as bracts, sometimes with a yellow band proximal to red to orange apices, or ca. 1/2 yellowish and 1/2 reddish, 12–35 mm;

abaxial and adaxial clefts 7–12 mm, 33–65% of calyx length, deeper than laterals, lateral 2–7 mm, 15–30% of calyx length;

lobes triangular, linear, or oblong to lanceolate, apex acute or obtuse to rounded.

colored as bracts, proximal part sometimes paler, (10–)12–19 mm;

abaxial and adaxial clefts 4–8(–10) mm, 33–50% of calyx length, all 4 clefts subequal;

lobes linear to lanceolate, apex acute.

2n

= 24, 48, 96.

= 24.

Castilleja hispida

Castilleja arachnoidea

Phenology Flowering (May–)Jun–Aug(–Sep).
Habitat Pumice flats, sandy, gravelly, or rocky slopes, ridges and open summits.
Elevation 1300–3300 m. (4300–10800 ft.)
Distribution
from FNA
ID; MT; OR; WA; AB; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; NV; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

Castilleja hispida is likely related to C. chromosa, which replaces it geographically to the southeast.

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

Castilleja arachnoidea is a remarkably variable species in form and color, but inflorescence colors are often uniform within a population. It is sometimes confused with C. schizotricha, but the two differ in stature, lobing of the leaves and bracts, bract coloration, and inflation of the abaxial lip. They are easily separated by the simple hairs and pale yellow to brick red inflorescences of C. arachnoidea, compared to the pink-purple to deep purple inflorescences and branched hairs of C. schizotricha.

The names Castilleja eastwoodiana and C. filifolia represent yellow color forms of C. arachnoidea. A race on the pumice plains of Mt. Shasta in the Cascade Range in California is distinctive.

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

Key
1. Leaves (0–)3–5(–7)-lobed; calyx lobe apices obtuse to rounded; lateral calyx clefts 2–7 mm; Cascade Range and west to coast.
var. hispida
1. Leaves 0–3(–5)-lobed; calyx lobe apices acute; lateral calyx clefts 4.5–7 mm; e slope of Cascade Range to Alberta.
var. acuta
Source FNA vol. 17, p. 612. FNA vol. 17, p. 590.
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. 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. 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. 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. 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
Subordinate taxa
C. hispida var. acuta, C. hispida var. hispida
Synonyms C. arachnoidea subsp. shastensis, C. eastwoodiana, C. filifolia, C. payneae, C. pumicicola
Name authority Bentham: in W. J. Hooker, Fl. Bor.-Amer. 2: 105. (1838) Greenman: Bot. Gaz. 53: 510. (1912)
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