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Castilleja xanthotricha

John Day or yellow-hairy paintbrush, John Day paintbrush, yellow hair paintbrush, yellow-hair Indian 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, 1–2(–3.8) 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 several, ± decumbent to erect or ascending, unbranched, sometimes with short, leafy axillary shoots, hairs erect to spreading, long, soft, eglandular, mixed with short stipitate-glandular ones.

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

green, linear, lanceolate to broadly lanceolate, oblong, or cuneate, 0.8–5 cm, not fleshy, margins plane to wavy, involute, 0–5-lobed, apex acute, sometimes rounded;

lobes spreading, linear, arising below mid length, nearly as broad as center lobe, apex acute.

± 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

3–14 × 1.5–4.5 cm;

bracts proximally greenish, rarely dull reddish purple, distally white to cream, rarely pale yellow or dull, pale pink (sharply differentiated from proximal coloration), lanceolate or oblong to narrowly ovate, (3–)5–7-lobed;

lobes ascending, linear to obovate, ± broadened distally, medium, long, proximal lobes arising below mid length, central lobe apex broadly rounded to truncate, others 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

curved, 17–23 mm;

tube 15–19 mm;

beak exserted, adaxially green, 5–8(–9) mm, puberulent, stipitate-glandular;

abaxial lip deep purple (color sometimes visible through calyx), green, pinkish, or pale yellow, ± prominent, slightly inflated, usually hidden in calyx, sometimes right at top of calyx, 2 mm, ca. 50% as long as beak;

teeth ascending, whitish, yellowish, pink, or green, 1–1.5 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

colored as bracts, 15–26 mm;

abaxial and adaxial clefts 3.5–7 mm, 25–50% of calyx length, deeper than laterals, lateral 2–5 mm, 12–25% of calyx length;

lobes linear, oblong, or narrowly triangular, center lobe apex usually rounded, lobes 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

= 48.

= 24, 48.

Castilleja xanthotricha

Castilleja linariifolia

Phenology Flowering Apr–Jul. Flowering Apr–Oct.
Habitat Arid, rocky, sandy, or clay slopes of basaltic origin, sagebrush steppes. Sagebrush steppes, grasslands, dry rocky slopes and flats, open forests, talus, lowlands to montane, occasionally subalpine.
Elevation 400–800 m. (1300–2600 ft.) 600–3400 m. (2000–11200 ft.)
Distribution
from FNA
OR
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[BONAP county map]
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WY
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[BONAP county map]
Discussion

Castilleja xanthotricha is endemic to moderate elevations in the sagebrush hills of the John Day River drainage in north-central Oregon. N. H. Holmgren (1971) hypothesized that this tetraploid species is of allopolyploid hybrid origin between C. glandulifera and C. oresbia.

(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.)

Source FNA vol. 17, p. 665. FNA vol. 17, p. 622.
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. 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. 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
Synonyms C. trainii
Name authority Pennell: Notul. Nat. Acad. Nat. Sci. Philadelphia 74: 5. (1941) Bentham: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 10: 532. (1846) — (as lineariaefolia)
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