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Castilleja angustifolia

narrow-leaf paintbrush, northwestern Indian paintbrush, northwestern paintbrush, violet desert paintbrush

desert paintbrush, desert paintbursh, linaria-leaf Indian paintbrush, narrow leaf paintbrush, narrow-leaf Indian paintbrush, Wyoming Indian paintbrush, Wyoming or narrow-leaf or long-leaf paintbrush, Wyoming paintbrush

Habit Herbs, perennial, 0.9–3.8(–4) dm; from a woody caudex; with a taproot. Herbs, perennial, 1.8–10(–20) dm; from a woody caudex; with a taproot or branching roots.
Stems

few to many, ascending to erect, branched, especially near base, sometimes unbranched, hairs sparse to dense, spreading to retrorse, long, sometimes short, soft to stiff, usually mixed with short-glandular ones, sometimes viscid.

few to many, ascending to erect, much-branched, glabrous proximally, hairy distally, sometimes glabrous or hairy throughout, hairs sparse, sometimes dense, spreading to slightly retrorse, short to long, ± stiff, eglandular.

Leaves

brown or purplish, sometimes green, linear to lanceolate or broadly lanceolate, 1.2–7(–7.5) cm, not fleshy, margins plane, sometimes ± wavy, involute or flat, (0–)3–5-lobed, rarely with secondary lobes, apex acuminate to rounded;

lobes spreading, oblong or lanceolate to linear-lanceolate, apex acute to rounded.

± yellow to gray-green, sometimes becoming ± purple, linear to narrowly lanceolate, (1–)2–10 cm, not fleshy, rarely ± thickened and fleshy, margins plane, involute, 0–3(–5)-lobed, apex acute or acuminate;

lobes spreading, linear, apex acute to acuminate.

Inflorescences

2.5–20 × 1.5–5 cm;

bracts proximally greenish or dull purplish, distally pink, magenta, pink-purple, reddish pink, pale yellow, pale yellow-orange, pale orange, or white, rarely reddish or orange-red, lanceolate to oblong, 3–5(–9)-lobed, sometimes with secondary lobes;

lobes spreading or ascending, oblanceolate or linear, proximal lobes often much longer than distal, proximal lobes arising below or a little above mid length, apex acute to rounded.

4–20 × 2–7.5 cm;

bracts red to red-orange throughout, sometimes pale green, yellow, magenta, pink-purple, or white throughout, or proximally pale greenish to straw colored, distally colored as above, lanceolate to narrowly lanceolate or narrowly oblong, 3(–5)-lobed;

lobes spreading to ascending, narrowly lanceolate to linear, shorter than central lobe, arising in proximal 1/3, apex obtuse to acuminate.

Corollas

straight, 18–27(–32) mm;

tube 8–17 mm;

beak usually long-exserted, adaxially green or pink, 8–15 mm;

abaxial lip deep green, reduced, inconspicuous, 1–2.5 mm, 5–20% as long as beak;

teeth incurved to ascending, deep green, 0.5–1.5 mm.

often slightly curved, 25–45 mm;

tube 11–22(–25) mm;

beak exserted, longer than calyx lobes, usually projecting through abaxial cleft;

beak adaxially yellow-green or green, 9–21(–24) mm;

abaxial lip deep green, reduced, often visible in exserted sideways through abaxial calyx cleft, 0.5–3 mm, 10–15% as long as beak;

teeth incurved, green or whitish, 5–2(–3) mm.

Calyces

proximally green, yellow, brown, or purple, lobes colored as bract lobes, sometimes with a yellow band between proximal and distal parts, 13–25(–28) mm;

abaxial clefts 3–8 mm, adaxial 5–9(–12) mm, clefts 30–50% of calyx length, deeper than laterals, lateral (1–)1.5–4(–5) mm, 10–25% of calyx length;

lobes lanceolate to oblong, abaxials wider than adaxials, apex acute to rounded.

proximally greenish, whitish, or yellowish, distally colored as bracts, 18–30(–35) mm;

abaxial clefts 10–20(–22) mm, adaxial 2–6(–12) mm, abaxial ca. 70% of calyx length, adaxial ca. 20–25% of calyx length, deeper than laterals, lateral 1.5–5(–6) mm, 12–17% of calyx length;

lobes curved slightly toward adaxial side, narrowly oblong to narrowly lanceolate, apex acute.

2n

= 24, 48.

Castilleja angustifolia

Castilleja linariifolia

Phenology Flowering Apr–Oct.
Habitat Sagebrush steppes, grasslands, dry rocky slopes and flats, open forests, talus, lowlands to montane, occasionally subalpine.
Elevation 600–3400 m. (2000–11200 ft.)
Distribution
from FNA
ID; MT; NV; OR; SD; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 3 (3 in the flora).

Much confusion exists concerning Castilleja angustifolia and the closely related C. chromosa. Sometimes C. chromosa is treated as a variety of C. angustifolia, using the name C. angustifolia var. dubia. The latter name is used here to represent a different assemblage of plants, not including C. chromosa. At other times, C. chromosa is synonymized completely under C. angustifolia. However, the two species are in most cases easily separable, and where they are sympatric there is little evidence of intergradation. Both C. angustifolia var. dubia and C. chromosa are accepted here. See additional comments under 3b. C. angustifolia var. dubia and 15. C. chromosa.

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

Castilleja linariifolia is widespread in the western United States and is important to Native Americans as a source of dyes and for medicinal and ceremonial purposes (D. E. Moerman 1998). It is the state flower of Wyoming. Castilleja linariifolia is closely associated with, and undoubtedly parasitic on, the roots of sagebrush, Artemisia tridentata. The bracts are usually red to red-orange, with uncommon yellow-bracted variants. On the eastern slope of the Sierra Nevada in California, most populations have pink-purple to magenta bracts, and at least one population has almost pure white bracts. Plants associated with hot springs in the Ash Meadows area of Nye County, Nevada, are unusually tall and have somewhat fleshy leaves. Castilleja linariifolia stems are usually glabrous, but pubescent stems are sporadic across its range. However, in the Mt. Charleston area of the Spring Mountains, in southern Nevada, most plants are pubescent, ranging from an inconspicuous layer to a fairly dense and obvious indument. These plants have been called forma omnipubescens Pennell. Elsewhere, especially in central and northern Arizona, individuals with short-pubescent stems are intermingled with more typical plants. In addition, late-blooming forms associated with hot spring sites in the eastern Mojave Desert are particularly thick-stemmed and vigorous. Hybrids between C. linariifolia and C. scabrida are known from Garfield County, Utah. Castilleja linariifolia is parapatric with the similar C. wootonii in central New Mexico. Castilleja linariifolia is reported to hybridize with C. chromosa, C. flava, and C. miniata. A possible hybrid with C. septentrionalis was named C. ×cognata Greene.

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

Key
1. Bracts distally usually pink to pink-purple; s Idaho, sw Montana, se Oregon, nw Wyoming.
var. angustifolia
1. Bracts distally yellow, yellow-orange, pale orange, white, pink, reddish pink, or magenta; se Idaho, e Nevada, sw South Dakota, w Utah, ec Wyoming.
→ 2
2. Bracts distally usually yellow to pale orange or white; ec Wyoming, adjacent sw South Dakota.
var. dubia
2. Bracts distally usually yellow, yellow-orange, white, pink, or reddish pink; se Idaho, e Nevada, w Utah.
var. flavescens
Source FNA vol. 17, p. 586. FNA vol. 17, p. 622.
Parent taxa Orobanchaceae > Castilleja Orobanchaceae > Castilleja
Sibling taxa
C. affinis, C. ambigua, 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. 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. 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. angustifolia var. angustifolia, C. angustifolia var. dubia, C. angustifolia var. flavescens
Synonyms Euchroma angustifolia C. trainii
Name authority (Nuttall) G. Don: Gen. Hist. 4: 616. 1837/1838 Bentham: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 10: 532. (1846) — (as lineariaefolia)
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