Castilleja affinis |
Castilleja kaibabensis |
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California paintbrush, coast Indian paintbrush, coast paintbrush, Indian paintbrush |
Kaibab paintbrush, Kaibab Plateau Indian paintbrush |
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Habit | Herbs, perennial, 1.4–6 dm; caudex woody; with a taproot. | Herbs, perennial, 1.5–3(–4) dm; from a woody caudex; with a taproot. | ||||||||
Stems | few to many, erect to ascending, unbranched or branched at proximal nodes, sometimes with short, leafy axillary branches, hairs sparse to dense, spreading, short and long, soft to stiff, unbranched, sometimes branched, eglandular, sometimes stipitate-glandular. |
solitary or few, sometimes several, erect or ascending, unbranched, rarely branched from base or from proximal inflorescence nodes, hairs spreading or reflexed, medium length, ± stiff, distally mixed with scattered, very short stipitate-glandular ones in inflorescences. |
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Leaves | green or purplish, sometimes red-brown, linear or linear-oblong to broadly lanceolate, 2–13 cm, not or ± fleshy, margins wavy or plane, flat or involute, 0–5-lobed, sometimes with small secondary lobes, short, leafy axillary shoots common, usually conspicuous, apex acuminate or acute to rounded; lobes spreading, linear to lanceolate, lateral lobes almost as wide as mid blade, apex acute to rounded. |
green, often with a dull red-purplish cast, linear to narrowly lanceolate or narrowly oblong, (0.8–)1.5–4 cm, not fleshy, margins plane, involute, 0(–3)-lobed, apex acuminate to acute; lobes spreading-ascending, narrowly lanceolate, apex acute. |
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Inflorescences | 3–25(–30) × 1.5–5 cm; bracts proximally green or deep purple, distally red, crimson, scarlet, pink, pinkish purple, pinkish red, or yellow, sometimes rose magenta, red-orange, or orange, oblanceolate or obovate to oblong or lanceolate, (0–)3–5(–7)-lobed; lobes spreading to ascending, linear to obovate, long, proximal lobes at or arising below mid length, apices acute to obtuse, center lobe sometimes rounded. |
2–6.5(–9) × 1.5–3.5 cm; bracts yellow, pale orange, salmon, pink, dull brick red, or reddish orange throughout, rarely red, or proximally pale greenish, distally colored as above, narrowly lanceolate to lanceolate, 0–3(–7)-lobed; lobes ascending to erect, linear to lanceolate, short to medium length, arising at or above mid length, central lobe apex obtuse, lateral ones obtuse to acute. |
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Pedicels | 0 mm or nearly so. |
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Corollas | straight or ± curved, 17–40 mm; tube 10–15 mm; beak long-exserted to subequal to calyx, adaxially green, 7–20 mm, puberulent, eglandular; abaxial lip deep green to reddish, brown, or deep purple, reduced, inconspicuous, included in calyx, 1.5–3 mm, 15–25% as long as beak; teeth ascending, green, 0.5–2 mm. |
straight or slightly curved, 21–30(–35) mm; tube 13–19 mm; beak subequal to calyx or exserted, adaxially green, 8–14 mm; abaxial lip whitish to pink with deep green teeth, reduced, not exserted, sometimes visible through front calyx cleft, 0.5–2 mm, 5–15% as long as beak; teeth incurved, dark green, 0.2–1 mm. |
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Calyces | proximally pale or green, distally as in distal portion of bracts, 14–35 mm; abaxial and adaxial clefts 6–22 mm, 33–50% of calyx length, deeper than laterals, lateral 2–7 mm, 15–25% of calyx length; lobes lanceolate or oblong, apex acute to obtuse or rounded, sometimes curved upward. |
colored as bracts, 20–27(–30) mm; abaxial and adaxial clefts 6.5–13(–18) mm, 40–60% of calyx length, deeper than laterals, lateral (2–)4–7.5(–10) mm, 25% of calyx length; lobes linear to narrowly lanceolate, apex rounded to acute. |
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2n | = 48, 72, 96. |
= 24. |
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Castilleja affinis |
Castilleja kaibabensis |
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Phenology | Flowering Jul–Sep. | |||||||||
Habitat | Dry or exposed sites in subalpine meadows, low ridges and crests, openings in spruce-fir-aspen forests, fine silts and clay over limestone. | |||||||||
Elevation | 2400–2800 m. (7900–9200 ft.) | |||||||||
Distribution |
CA; nw Mexico
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AZ
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Discussion | Varieties 3 (3 in the flora). Castilleja affinis is highly variable and one of the more common paintbrushes at lower elevations in California, west of the Sierra Nevada, from the northern coast south to northern Baja California. Some recent authors (for example, M. Wetherwax et al. 2012) include C. litoralis of the Pacific Northwest coast as a subspecies of C. affinis, but due to the high polyploid nature of C. litoralis and its significantly closer morphological resemblance to C. miniata var. dixonii, that treatment is not followed here. Also see the comments under 62. C. litoralis. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Castilleja kaibabensis is endemic to a few large meadow systems on the Kaibab Plateau, north of the North Rim of the Grand Canyon in Coconino County. Recreational activity, grazing, and road construction remain concerns for the management of this species. Castilleja kaibabensis is in the Center for Plant Conservation’s National Collection of Endangered Plants. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 582. | FNA vol. 17, p. 616. | ||||||||
Parent taxa | Orobanchaceae > Castilleja | Orobanchaceae > Castilleja | ||||||||
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Name authority | Hooker & Arnott: Bot. Beechey Voy., 154. (1833) | N. H. Holmgren: Bull. Torrey Bot. Club 100: 89, fig. 4. (1973) | ||||||||
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