Castilleja angustifolia |
Castilleja elmeri |
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narrow-leaf paintbrush, northwestern Indian paintbrush, northwestern paintbrush, violet desert paintbrush |
Elmer's Indian paintbrush, Elmer's paintbrush, Wenatchee Indian paintbrush, Wenatchee paintbrush |
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Habit | Herbs, perennial, 0.9–3.8(–4) dm; from a woody caudex; with a taproot. | Herbs, perennial, 1.1–4.2 dm; from a many-headed, woody caudex; with a stout taproot. | ||||||||
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. |
solitary or few to many, erect to ascending, sometimes slightly curved at base, unbranched, rarely branched, hairs moderately dense, spreading, medium length, soft, mixed with shorter eglandular and stipitate-glandular ones, at least on distal 1/2 of stem. |
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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. |
green, rarely purple-tinged, linear-lanceolate, sometimes linear or lanceolate, 1.3–6.5 cm, not fleshy, margins plane, flat or involute, entire, apex acute. |
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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. |
2.5–9 × 1.5–3 cm; bracts red, crimson, scarlet, pink, magenta, red-orange, burnt orange, orange, pale yellow, or whitish throughout, or proximally greenish, distally as stated above, oblong, narrowly obovate, elliptic-oblong, or narrowly ovate, 0(–5)-lobed, rarely with 1 or 2 pairs of short, usually distal lobes; lobes ascending, lanceolate, very short, arising from distal edge, apex rounded to obtuse. |
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Pedicels | 0 mm. |
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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. |
straight, 20–33 mm; tubes 13–18 mm; beak, and sometimes abaxial lip, partially to fully exserted; beak adaxially green to yellowish, 8–15 mm; abaxial lip incurved, green, thickened, 2–3 mm, 20–33% as long as beak; teeth ascending or incurved, green, 0.5–1 mm. |
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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 green to pale green, distally colored as bracts, 15–25 mm; abaxial and adaxial clefts 5–14 mm, 33–50% of calyx length, deeper than laterals, lateral 1–4 mm, 6–20% of calyx length; lobes lanceolate to narrowly triangular, apex rounded to obtuse. |
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2n | = 48. |
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Castilleja angustifolia |
Castilleja elmeri |
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Phenology | Flowering May–Aug. | |||||||||
Habitat | Moist to dry rocky slopes, meadows, swales, sagebrush steppes, open conifer forests, montane to subalpine, often on serpentine. | |||||||||
Elevation | 600–2600 m. (2000–8500 ft.) | |||||||||
Distribution |
ID; MT; NV; OR; SD; UT; WY
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WA; BC
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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.) |
The bracts and inflorescences of Castilleja elmeri can be red, crimson, scarlet, pink, magenta, red-orange, burnt orange, orange, pale yellow, or whitish. While the coloration is highly variable between local populations, it is usually uniform and consistent within them. It is found primarily in the Wenatchee Mountains of Washington, where it is often on serpentine, but it ranges northward in the Cascades into extreme southern British Columbia, apparently on non-serpentine substrates. Hybrids with C. miniata var. miniata, C. parviflora var. albida, and C. thompsonii have been found in the eastern Cascades of Washington, and a similar hybrid swarm with C. thompsonii is reported from southern British Columbia. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 586. | FNA vol. 17, p. 605. | ||||||||
Parent taxa | Orobanchaceae > Castilleja | Orobanchaceae > Castilleja | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Euchroma angustifolia | |||||||||
Name authority | (Nuttall) G. Don: Gen. Hist. 4: 616. 1837/1838 | Fernald: Erythea 6: 51. (1898) — (as Castilleia) | ||||||||
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