Castilleja lemmonii |
Castilleja densiflora |
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Lemmon's Indian paintbrush, Lemmon's paintbrush |
dense-flower owl's-clover, denseflower Indian paintbrush |
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Habit | Herbs, perennial, 0.8–2.5 dm; from a woody caudex; with slender, branching roots. | Herbs, annual, 0.7–4.7 dm; with fibrous roots. | ||||||||
Stems | few to many, decumbent-based to erect, unbranched except for short, leafy axillary shoots, hairs sparse, spreading, medium length to long, soft and dense, short to medium length, stipitate-glandular. |
solitary, erect, branched, sometimes unbranched, glabrous or glabrate proximally, pubescent distally, hairs moderately dense, spreading, short to long, soft, eglandular, often mixed with short stipitate-glandular ones (except var. obispoënsis). |
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Leaves | green or gray-green to purple (sometimes different on stems of same plant), linear-lanceolate, distal sometimes broadly lanceolate, 0.5–4 cm, not fleshy, margins plane, involute, 0(–3)-lobed, apex acute to acuminate; lobes ascending, linear to narrowly lanceolate, apex acute to acuminate, rarely obtuse. |
pale green, linear to broadly lanceolate, linear-lanceolate, or ovate, 1.4–9 cm, not fleshy, margins plane, flat or slightly involute, (0–)3–5-lobed, apex acuminate; lobes ascending, linear to narrowly to sometimes broadly lanceolate, apex acuminate to acute. |
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Inflorescences | 2–12 × 1–3 cm; bracts greenish to dull purplish or brownish throughout, or proximally greenish to dull purplish, distally pink to purple or magenta, rarely white, ovate, broadly lanceolate, or oblong, (0–)3–5-lobed; lobes ascending to erect, lanceolate, medium length, arising above mid length, apex acute to rounded. |
1–16(–20) × 2.5–4 cm; bracts proximally greenish to deep purple, distally white, or pink to pink-purple or reddish purple on apices, if white sometimes aging pink, lanceolate, 3–5-lobed; lobes ascending, linear to oblanceolate, long, arising below mid length, apex acute to acuminate. |
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Corollas | slightly curved, 16–21 mm; tube 10–16 mm; abaxial lip sometimes partly exserted, beak usually exserted; beak adaxially green, 6–7 mm, margins red; abaxial lip greenish, inflated, pouches 3, shallow, central pouch shallowly grooved, visible through front cleft, 3–4 mm, 60% as long as beak; teeth erect, violet-purple or pink, 1–2.5 mm. |
straight, 14–29 mm; tube expanded distally; abaxial lip and beak exserted from or equal to calyx; beak straight, adaxially pink, purple, or white, if white often aging light pink, (4–)5–7 mm, densely puberulent, hairs often stipitate-glandular; abaxial lip proximally white or pink to deep purple, expanded part white throughout, or proximally white or purple, or green becoming light pink with age, distally white or yellow (sometimes becoming orange with age), purple or maroon spots or blotches on each lobe, inflated, lobes 3, pouches gradually (to abruptly) widened, 4–6 mm wide, 2–3 mm deep, deeper than tall, 3–7 mm, 80–100% as long as beak; teeth erect, pink, white (often turning pink with age), chartreuse, or purple, sometimes with deep purple spot at base, 1–2.5 mm. |
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Calyces | proximally brown or dull magenta, sometimes green, distally colored as bracts, 12.5–18 mm; abaxial and adaxial clefts 5.5–10.5 mm, 40–65% of calyx length, deeper than laterals, lateral 0.5–2 mm, 5–15% of calyx length; lobes oblong, apex rounded. |
colored as bracts, 5–20 mm; abaxial and adaxial clefts 4.7–15 mm, 33–90% of calyx length, slightly deeper than laterals or all 4 clefts subequal, lateral 3–8 mm, 33–60% of calyx length; lobes linear to narrowly oblanceolate, apex acute. |
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Stigmas | greenish to deep bluish purple. |
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Filaments | glabrous. |
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2n | = 24. |
= 24. |
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Castilleja lemmonii |
Castilleja densiflora |
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Phenology | Flowering Jun–Aug. | |||||||||
Habitat | Moist to wet meadows and flats, shorelines, open conifer forests, subalpine and alpine, often over granite. | |||||||||
Elevation | 1500–3700 m. [4900–12100 ft.] | |||||||||
Distribution |
CA; NV
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CA; Mexico (Baja California)
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Discussion | As delimited here, Castilleja lemmonii is endemic to the highlands of the Sierra Nevada in California and in adjacent Washoe County, Nevada. It differs from C. lassenensis, a plant of volcanic highlands around Mt. Lassen, which has consistently white corollas. Corollas are usually pink to purplish in C. lemmonii. Castilleja lemmonii also tends to have somewhat shorter lateral calyx clefts, though the two species overlap slightly in this character. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 3 (3 in the flora). Castilleja densiflora is often confused with C. exserta, and both species are broadly overlapping in both range and habitat, often occurring in close proximity. However, intermediates are remarkably rare. The two are most easily separated by the structure and pubescence of the corollas. In addition to the characters mentioned in the key, C. densiflora usually has a bilobed stigma that is exserted from the apex of the corolla with a more or less vertical orientation, while that of C. exserta emerges horizontally and is capitate. These differences are remarkably consistent. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 620. | FNA vol. 17, p. 601. | ||||||||
Parent taxa | ||||||||||
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Synonyms | C. culbertsonii | Orthocarpus densiflorus | ||||||||
Name authority | A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 2(1): 297. (1878) — (as Castilleia lemmoni) | (Bentham) T. I. Chuang & Heckard: Syst. Bot. 16: 656. (1991) | ||||||||
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