Pedicularis procera |
Pedicularis bracteosa |
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giant lousewort, Gray's lousewort |
bract lousewort, fernleaf, towering lousewort, wood-betony |
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Habit | Plants 75–150 cm. | Plants 20–80 cm. | ||||||||||||||||||||||||||||
Leaves | basal 2–4, blade lanceolate, 150–250 x 80–120 mm, 2-pinnatifid, margins of adjacent lobes nonoverlapping, entire or serrate, surfaces glabrous or hirsute; cauline 4–10, blade triangular to lanceolate, 60–300 x 5–90 mm, undivided or 1- or 2-pinnatifid, margins of adjacent lobes nonoverlapping, 2-serrate, surfaces glabrous. |
basal 0–10, blade lanceolate, 20–120 x 10–60 mm, 1- or 2-pinnatifid, margins of adjacent lobes nonoverlapping or slightly overlapping distally, 1- or 2-serrate, surfaces glabrous; cauline 4–10, blade lanceolate, 10–270 x 8–150 mm, undivided or 1- or 2-pinnatifid, margins of adjacent lobes nonoverlapping, serrate to 2-serrate, surfaces glabrous or scattered glandular. |
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Racemes | simple, sometimes paniculate, 1–3, exceeding basal leaves, each 10–50-flowered; bracts linear or narrowly lanceolate to subulate, 15–80 x 3–8 mm, undivided, proximal margins entire, distal entire or serrate, surfaces hispid to tomentose. |
simple, 1–4, exceeding basal leaves, each 15–75-flowered; bracts lanceolate or subulate to trullate, 10–20 x 2–10 mm, undivided, proximal margins entire, distal entire or serrate, surfaces glabrous, hispid, or tomentose. |
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Pedicels | 0–1 mm. |
0.5–1 mm. |
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Flowers | calyx 10–15 mm, hispid to hirsute, lobes 5, triangular, 4–7 mm, apex entire, ciliate; corolla 22–30 mm, tube light yellow, greenish yellow, or light pink, 10–15 mm; galea light yellow, greenish yellow, or light pink, with purple to red veins, 9–15 mm, beakless, margins entire medially, 1-toothed distally, apex arching over abaxial lip; abaxial lip light yellow or light pink, with purple veins, 9–15 mm. |
calyx 7–15 mm, glabrous or tomentose, lobes 5, triangular or filiform, 1–10 mm, apex entire, glabrous or ciliate; corolla 14–27 mm, tube yellow or dark blood red, 6–12 mm; galea yellow to yellow tinged with red, purple tinged with yellow, or dark blood red, 6–15 mm, beakless or beaked, beak straight, 0.8–2.5 mm, margins entire medially and distally, apex arching over abaxial lip; abaxial lip expanded, yellow, yellow tinged with purple, or dark blood red, 4.5–6.5 mm. |
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2n | = 32. |
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Pedicularis procera |
Pedicularis bracteosa |
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Phenology | Flowering Jul–Aug. | |||||||||||||||||||||||||||||
Habitat | Moist alpine meadows, aspen groves. | |||||||||||||||||||||||||||||
Elevation | 2400–4000 m. (7900–13100 ft.) | |||||||||||||||||||||||||||||
Distribution |
AZ; CO; NM; SD; UT; WY
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CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC
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Discussion | Although Pedicularis grayi A. Nelson appears in older floras, the name is superfluous and illegitimate. Pedicularis procera Adams ex Steven 1822 is invalid. Pedicularis procera is the tallest species of Pedicularis in North America. Because the leaves closely resemble those of P. bracteosa, smaller plants can be easily mistaken for this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 8 (8 in the flora). Pedicularis bracteosa is found in subalpine habitats across much of western North America, occurring throughout the Rocky Mountains from central British Columbia and Alberta to northern New Mexico, as well as the Coast Range south to northern California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 529. | FNA vol. 17, p. 515. | ||||||||||||||||||||||||||||
Parent taxa | Orobanchaceae > Pedicularis | Orobanchaceae > Pedicularis | ||||||||||||||||||||||||||||
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Name authority | A. Gray: Amer. J. Sci. Arts, ser. 2, 34: 251. (1862) | Bentham: in W. J. Hooker, Fl. Bor.-Amer. 2: 110. (1838) | ||||||||||||||||||||||||||||
Web links |