Castilleja angustifolia |
Castilleja praeterita |
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narrow-leaf paintbrush, northwestern Indian paintbrush, northwestern paintbrush, violet desert paintbrush |
Salmon Creek Indian paintbrush, Salmon Creek paintbrush |
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Habit | Herbs, perennial, 0.9–3.8(–4) dm; from a woody caudex; with a taproot. | Herbs, perennial, (1–)1.6–4.5 dm; from a woody caudex; with a 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. |
several to many, ascending to erect, ± decumbent at base, branched or unbranched, sometimes with short, leafy axillary shoots, hairs spreading to ascending, long, soft to ± stiff, mixed with short-eglandular ones. |
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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. |
purple or green, linear-lanceolate to lanceolate, 3–5 cm, not fleshy, margins plane, partly involute, 3–5-lobed, apex acuminate, acute, or rounded; lobes sometimes divergent, spreading-ascending, linear, apex obtuse to rounded. |
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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–)5–15 × 1.5–2 cm; bracts proximally green to dull purplish, distally pale reddish purple, dull red, pale salmon, pale orange, or bright to pale yellow, oblong, 3(–5)-lobed; lobes spreading to ascending, linear to oblanceolate, distal pair, if present, short and toothlike, short to long, arising at or above mid length, center lobe apex rounded to truncate, lateral lobes obtuse to rounded. |
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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, 11–16 mm; tube 10–13 mm; beak included or tip exserted; beak adaxially green, 4–5 mm; abaxial lip deep green, reduced, with narrow pouches, 2.5–3 mm, 30–45% as long as beak; teeth reduced to minute apiculations, dark 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 usually whitish, distally colored as bracts, 13–18 mm; abaxial and adaxial clefts 5–6(–9) mm, ca. 50% of calyx length, deeper than laterals, lateral 0.5–1.2 mm, ca. 18% of calyx length; lobes ± hemispheric, segments often curved outwards, exposing corollas, apex rounded to obtuse, rarely acute. |
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2n | = 24. |
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Castilleja angustifolia |
Castilleja praeterita |
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Phenology | Flowering Jun–Aug. | |||||||||
Habitat | Dry gravelly meadows and flats, with Artemisia rothrockii, often over granite. | |||||||||
Elevation | 2200–3400 m. (7200–11200 ft.) | |||||||||
Distribution |
ID; MT; NV; OR; SD; UT; WY
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CA
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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.) |
Castilleja praeterita is endemic to subalpine, sagebrush-dominated meadows in the southeastern Sierra Nevada of Inyo and Tulare counties. It is closely associated with and likely parasitic on Artemisia rothrockii. Inflorescence coloration varies by population, with some having only yellow-bracted plants, while others are pale orange to pale red with occasional pale yellow variants. Yet other populations have only pale salmon-colored bracts. (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. 646. | ||||||||
Parent taxa | Orobanchaceae > Castilleja | Orobanchaceae > Castilleja | ||||||||
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Synonyms | Euchroma angustifolia | |||||||||
Name authority | (Nuttall) G. Don: Gen. Hist. 4: 616. 1837/1838 | Heckard & Bacigalupi: Madroño 20: 209, fig. 1. (1970) | ||||||||
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