Pedicularis bracteosa |
Pedicularis verticillata |
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bract lousewort, fernleaf, towering lousewort, wood-betony |
whorled lousewort |
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| Habit | Plants 20–80 cm. | Plants 5–25 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 5–25, blade elliptic, 10–20 x 3–8 mm, 1- or 2-pinnatifid, margins of adjacent lobes nonoverlapping or slightly overlapping distally, serrate, surfaces glabrous or tomentose; cauline whorled, whorls 1 or 2, leaves per whorl 3–5, blade lanceolate, 5–30 x 3–10 mm, 1- or 2-pinnatifid, margins of adjacent lobes nonoverlapping or slightly overlapping, serrate, surfaces glabrous. |
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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. |
verticillate, 1–10, exceeding basal leaves, each 10–40-flowered; bracts lanceolate to trullate, 4–20 x 2–5 mm, undivided or 1- or 2-pinnatifid, margins serrate, surfaces glabrous or sparsely tomentose. |
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| Pedicels | 0.5–1 mm. |
0.7–2.5 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 3.5–10 mm, glabrous or pilose, lobes 5, deltate, 0.3–1 mm, apex entire, glabrous or ciliate; corolla 10–18 mm, tube light or dark pink, 5–8 mm; galea light or dark pink or purple, 5–7 mm, beakless, margins entire medially and distally, apex arching slightly over abaxial lip; abaxial lip light pink with purple veins and/or purple spots or purple with dark veins, 5–7 mm. |
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| 2n | = 12. |
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Pedicularis bracteosa |
Pedicularis verticillata |
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| Phenology | Flowering Jun–Sep. | |||||||||||||||||||||||||||||
| Habitat | Arctic meadows and thickets, muskegs, arctic and alpine tundras. | |||||||||||||||||||||||||||||
| Elevation | 0–1800 m. [0–5900 ft.] | |||||||||||||||||||||||||||||
| Distribution |
CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC
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AK; BC; NT; YT; Europe; Asia
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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.) |
In the flora area, Pedicularis verticillata and P. chamissonis are the only species of Pedicularis with whorled leaves. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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| Key |
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| Synonyms | Pediculariopsis verticillata | |||||||||||||||||||||||||||||
| Name authority | Bentham: in W. J. Hooker, Fl. Bor.-Amer. 2: 110. (1838) | Linnaeus: Sp. Pl. 2: 608. (1753) | ||||||||||||||||||||||||||||
| Source | FNA vol. 17, p. 515. | FNA vol. 17, p. 534. | ||||||||||||||||||||||||||||
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