Pedicularis howellii |
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Howell lousewort, Howell's lousewort, Howell's pedicularis |
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Habit | Plants 15–40 cm. |
Leaves | 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. |
Racemes | 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. |
Pedicels | 2.5–3 mm. |
Flowers | 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. |
Pedicularis howellii |
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Phenology | Flowering Jun–Aug. |
Habitat | Alpine forest clearings and edges. |
Elevation | 1100–2000. |
Distribution |
CA; OR
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Discussion | 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.) |
Source | FNA vol. 17, p. 523. |
Parent taxa | Orobanchaceae > Pedicularis |
Sibling taxa | |
Name authority | A. Gray: Proc. Amer. Acad. Arts 20: 307. (1885) |
Web links |