Castilleja subinclusa |
Castilleja thompsonii |
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Franciscan paint brush, longleaf Indian paintbrush |
Thompson's Indian paintbrush, Thompson's owl clover, Thompson's paintbrush |
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Habit | Herbs, perennial, 1.8–12 dm; from a woody caudex; with a taproot. | Herbs, perennial, 0.8–4 dm; from a woody caudex; with a taproot. | ||||||||
Stems | solitary or few to many, erect to ascending, often leaning on nearby shrubs (var. jepsonii), unbranched or branched, often with small, leafy axillary shoots, hairs matted to spreading, short and long, soft, mixed with short stipitate-glandular ones. |
few to many, erect or ascending, unbranched or branched, hairs spreading, long, stiff, sometimes soft (especially in higher elevations), eglandular, mixed with shorter stipitate-glandular ones. |
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Leaves | green, pale gray-green, sometimes dull reddish purple, linear to narrowly, sometimes broadly, lanceolate, 2–10.5 cm, not fleshy, margins plane, sometimes ± wavy, flat or involute, 0(–3)-lobed, apex acuminate to acute; lobes spreading, linear to short-lanceolate, often arising near mid length, apex acute to obtuse. |
green to purple or reddish brown, linear to narrowly oblong or linear-lanceolate, 1.4–7.4 cm, not fleshy, margins plane to ± wavy, involute or flat, 3(–7)-lobed, apex acuminate; lobes spreading-ascending, linear, short to long moving up leaf axis, apex acute or obtuse. |
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Inflorescences | 3–30 × 1–7 cm; bracts green or dull purple throughout, or proximally green or dull purple, distally bright red to orange-red, sometimes salmon, orange, or yellow, usually linear to lanceolate, distal sometimes broadly lanceolate to oblong or elliptic, 0(–3)-lobed; lobes spreading to erect, linear to oblong or triangular, short or medium length, arising near or above mid length, apex acute to obtuse. |
2.5–14 × 1–4 cm; bracts greenish to pale yellow or reddish brown throughout, or proximally greenish to dull reddish purple, or ruddy brown, distally greenish to yellow-green or yellow, often aging dull reddish to dull purplish, lanceolate to oblong to ovate, 3–5(–9)-lobed; lobes spreading to ascending, linear to narrowly lanceolate, long, proximal lobes arising below mid length, apex acute to obtuse. |
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Corollas | curved proximally, straight to slightly curved distally, 25–57 mm; tube 15–29 mm; beak subequal to or exceeding calyx but abaxial lip, beak, and often part of tube usually exserted out abaxial cleft; beak adaxially green, yellow-green, or yellow, 13–21 mm, margins red, orange, or yellow; abaxial lip green, yellow, reddish, blackish, or deep red-purple, reduced, protuberant, forming a platform, 1–2 mm, 5–25% as long as beak; teeth ascending, green, purple sometimes with reddish tip, yellow, or blackish, 0.5–1 mm. |
straight, 18–21 mm; tube 11–16 mm; subequal to calyx, sometimes beak exserted; beak adaxially green, 5–7(–8) mm; abaxial lip white, often proximally reddish, prominent, scarcely expanded, ± cylindric, 2.5–4(–5) mm, 50–70% as long as beak, glabrous or obscurely puberulent; teeth incurved to erect, white, 2.5 mm. |
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Calyces | proximally pale green, rarely pale purple, distally bright red or red-orange, rarely orange or yellow, or bright red or red-orange throughout, 20–42 mm; abaxial clefts 13–27 mm, adaxial 7–17 mm, abaxial 40–70% of calyx length, adaxial 12–33% of calyx length, deeper than laterals, lateral 0–7.5 mm, 0–35% of calyx length; lobes linear to narrowly triangular, strongly curved away from stem proximally and distally obviously curved toward stem, apex acute to acuminate to obtuse. |
colored as bracts, 12–25 mm; abaxial and adaxial clefts 4–8 mm, 20–60% of calyx length, deeper than laterals, lateral (0–)1–3 mm, 7–25% of calyx length; lobes linear, lanceolate, or triangular, apex acute, sometimes obtuse. |
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2n | = 24, 48, 72, 96. |
= 24, 48. |
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Castilleja subinclusa |
Castilleja thompsonii |
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Phenology | Flowering Apr–Aug(–Sep). | |||||||||
Habitat | Dry slopes, ridges, scabland lithosol soils, meadows, sagebrush steppes, valleys, montane to alpine. | |||||||||
Elevation | 200–2100 m. (700–6900 ft.) | |||||||||
Distribution |
CA; nw Mexico
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OR; WA; BC
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Discussion | Varieties 3 (3 in the flora). Castilleja subinclusa is divided into three varieties with somewhat discontinuous ranges. Identification of the varieties is often difficult when comparing only a single trait but is more easily accomplished when the characters are considered in a suite. The three varieties are also separable by range and habitat. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Castilleja thompsonii is a characteristic species of the sagebrush communities on the eastern slope of the Cascade Range in Washington, and in the high deserts of the Columbia Basin. Historically, its range approached but apparently never entered Idaho in the Spokane River valley, but much of its habitat in that area is now converted to agriculture or suburban development or overwhelmed by non-native, invasive plants. Castilleja thompsonii occurs in a few sites in the Okanogan Valley region of southern British Columbia and at one site on the eastern slopes of the Cascade Range in Wasco County, Oregon. A distinctive form from the subalpine and alpine zones of Mt. Adams, in the southern Cascade Range of Washington, was named C. villicaulis. This form may merit varietal status under C. thompsonii. While both names were described in the same paper, C. thompsonii is the name used in all regional floras since their publication, after C. villicaulis was reduced to synonymy by M. Ownbey (1959). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 657. | FNA vol. 17, p. 661. | ||||||||
Parent taxa | ||||||||||
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Subordinate taxa | ||||||||||
Synonyms | C. villicaulis | |||||||||
Name authority | Greene: Pittonia 4: 2. (1899) — (as Castilleia) | Pennell: Proc. Acad. Nat. Sci. Philadelphia 99: 178. (1947) — (as thompsoni) | ||||||||
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