Castilleja covilleana |
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Coville's Indian paintbrush, Coville's or cushion or Rocky Mountain paintbrush |
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Habit | Herbs, perennial, 1–3(–4) dm; from a stout, woody caudex; with a taproot. |
Stems | several, erect or ascending, unbranched, sometimes branched, hairs sparse, spreading or retrorse, moderately long, soft, crisped, eglandular, mixed with shorter ones. |
Leaves | green, brown, or purple, linear to lanceolate, 1.5–6 cm, not fleshy, margins plane, rarely ± wavy, involute, 3–5(–7)-lobed, apex acuminate to acute; lobes widely spreading, deep, linear to narrowly lanceolate, lateral lobes not much narrower than central one, apex acuminate. |
Inflorescences | 3–22 (longer in fruit) × 1–5 cm; bracts proximally greenish to deep purplish, distally bright red or scarlet, sometimes orange to pale yellow, linear, (3–)5–7-lobed, sometimes with secondary lobes; lobes spreading, linear to oblanceolate, long, arising below mid length, apex acute to obtuse. |
Corollas | straight, 20–35 mm; tube 13–23 mm; beak and usually part of abaxial lip exserted; beak adaxially green, 6.9–13 mm; abaxial lip deep green, reduced, thickened, included or visible through front calyx cleft, 1.7–3.8 mm, 10–25% as long as beak; teeth incurved, yellow or deep green, 0.7–1.7 mm. |
Calyces | colored as bracts, sometimes paler proximally, 15–26(–33) mm; abaxial clefts 4–7.4 mm, adaxial 7–10 mm, abaxial 21–37% of calyx length, adaxial 28–51% of calyx length, deeper than laterals, lateral 1.5–3.5(–5) mm, 8–18% of calyx length; lobes lanceolate to triangular, apex acute. |
2n | = 48. |
Castilleja covilleana |
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Phenology | Flowering Jun–Aug. |
Habitat | Rocky slopes, ledges, talus, ridges, open conifer forests, moist to dry substrates, montane to alpine. |
Elevation | 1200–3100 m. (3900–10200 ft.) |
Distribution |
ID; MT
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Discussion | Castilleja covilleana is endemic to the mountains of central Idaho and adjacent southwestern Montana. A collection of unusually tall plants was described as C. multisecta. Castilleja covilleana is closely related to C. rupicola. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 599. |
Parent taxa | |
Sibling taxa | |
Synonyms | C. multisecta |
Name authority | L. F. Henderson: Bull. Torrey Bot. Club 27: 353. (1900) — (as Castilleia) |
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