Pedicularis bracteosa |
Pedicularis howellii |
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bract lousewort, fernleaf, towering lousewort, wood-betony |
Howell lousewort, Howell's lousewort, Howell's pedicularis |
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| Habit | Plants 20–80 cm. | Plants 15–40 cm. | ||||||||||||||||||||||||||||
| Leaves | 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. |
basal 1–4, blade elliptic to lanceolate, 20–60 x 15–40 mm, undivided or 1-pinnatifid, margins of adjacent lobes nonoverlapping or slightly overlapping distally, serrate, surfaces glabrous; cauline 10–12, blade ovate to lanceolate, 25–60 x 15–40 mm, undivided or 1-pinnatifid, sometimes auricled, margins of adjacent lobes nonoverlapping or slightly overlapping distally, entire or serrate to crenate, surfaces glabrous or scattered woolly along main vein. |
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| Racemes | 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. |
simple, 1–8, exceeding basal leaves, each 15–40-flowered; bracts trullate to cordate, 6–8 x 4–8 mm, undivided, proximal margins entire, distal entire, surfaces glabrous or tomentose. |
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| Pedicels | 0.5–1 mm. |
2.5–3 mm. |
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| Flowers | 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. |
calyx 6–6.5 mm, tomentose, lobes 5, triangular, 1.5–2 mm, apex entire, ciliate; corolla 10–13 mm, tube white, 6–8 mm; galea white, apically sometimes tinged with red to violet, 3.5–5 mm, beaked, beak straight, 1–2 mm, margins entire medially and distally, apex extending beyond abaxial lip; abaxial lip white, 1.5–2 mm. |
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Pedicularis bracteosa |
Pedicularis howellii |
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| Phenology | Flowering Jun–Aug. | |||||||||||||||||||||||||||||
| Habitat | Alpine forest clearings and edges. | |||||||||||||||||||||||||||||
| Elevation | 1100–2000. | |||||||||||||||||||||||||||||
| Distribution |
CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC
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CA; OR
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| Discussion | 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.) |
Pedicularis howellii is found in the Siskiyou Mountains along the California/Oregon border; it has undivided distal leaves. The division of the proximal leaves into irregular and asymmetric lobes, sometimes appearing auricled, is a unique feature of this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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| Key |
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| Name authority | Bentham: in W. J. Hooker, Fl. Bor.-Amer. 2: 110. (1838) | A. Gray: Proc. Amer. Acad. Arts 20: 307. (1885) | ||||||||||||||||||||||||||||
| Source | FNA vol. 17, p. 515. | FNA vol. 17, p. 523. | ||||||||||||||||||||||||||||
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