Pedicularis bracteosa |
Pedicularis canadensis |
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bract lousewort, fernleaf, towering lousewort, wood-betony |
beefsteak plant, Canadian lousewort, forest lousewort, pédiculaire du Canada, wood betony |
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| Habit | Plants 20–80 cm. | Plants 4–50 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 2–20, blade lanceolate, 15–100 x 3–40 mm, 1- or 2-pinnatifid, margins of adjacent lobes nonoverlapping or slightly overlapping distally, 1- or 2-serrate, surfaces glabrous or hispid; cauline 1–10, blade lanceolate, 10–70 x 5–20 mm, 1-pinnatifid, margins of adjacent lobes nonoverlapping or slightly overlapping distally, 1- or 2-serrate, surfaces glabrous or hispid. |
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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, 1–5, exceeding basal leaves, each 10–40-flowered; bracts lanceolate, ovate, spatulate, or trullate, 5–40 x 1–10 mm, undivided proximally, undivided to 1-pinnatifid distally, proximal margins entire, distal 1- or 2-serrate, sometimes crenate, surfaces glabrous or hispid to tomentose. |
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| Pedicels | 0.5–1 mm. |
1.5–2 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 7–12 mm, glabrous, hispid, or tomentose, lobes 2, triangular, 0.5–2 mm, apex entire, glabrous or ciliate; corolla 18–25 mm, tube yellow, 8–15 mm; galea yellow, yellow with red veins, or red, sometimes purple, 10–14 mm, beakless, margins entire medially, 1-toothed distally, apex arching over abaxial lip; abaxial lip expanded, yellow or white, 6–7 mm. |
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| 2n | = 16. |
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Pedicularis bracteosa |
Pedicularis canadensis |
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| Phenology | Flowering Apr–Jun. | |||||||||||||||||||||||||||||
| Habitat | Deciduous forests, forest edges, prairies, alpine wet meadows. | |||||||||||||||||||||||||||||
| Elevation | 70–2500 m. [230–8200 ft.] | |||||||||||||||||||||||||||||
| Distribution |
CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC
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AL; AR; CO; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; ND; NE; NH; NJ; NM; NY; OH; OK; PA; RI; SC; SD; TN; TX; VA; VT; WI; WV; MB; NB; ON; QC; Mexico
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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 canadensis is chiefly of the Midwestern prairies; in eastern states and provinces, it grows in forest openings and along forest edges. It also inhabits alpine wet meadows at higher elevations along the Front Range of the Rocky Mountains. Corollas may be yellow, yellow with red veins, red (forma praeclara A. H. Moore), or bicolored with a yellow corolla tube, yellow abaxial lip, and red galea (forma bicolor Farwell). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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| Key |
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| Synonyms | P. canadensis var. dobbsii, P. canadensis subsp. fluviatilis, P. canadensis var. fluviatilis | |||||||||||||||||||||||||||||
| Name authority | Bentham: in W. J. Hooker, Fl. Bor.-Amer. 2: 110. (1838) | Linnaeus: Mant. Pl. 1: 86. (1767) | ||||||||||||||||||||||||||||
| Source | FNA vol. 17, p. 515. | FNA vol. 17, p. 517. | ||||||||||||||||||||||||||||
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