Pedicularis howellii

A. Gray

Proc. Amer. Acad. Arts 20: 307. 1885.

Common names: Howell's lousewort
Endemic
Treatment appears in FNA Volume 17. Treatment on page 523. Mentioned on page 512, 524.

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.


Phenology: Flowering Jun–Aug.
Habitat: Alpine forest clearings and edges.
Elevation: 1100–2000.

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.

Selected References

None.

Lower Taxa

None.

... more about "Pedicularis howellii"
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
beakless +  and beaked +
Bruce W. Robart +
A. Gray +
straight +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1-pinnatifid;undivided;ovate;lanceolate +
not leathery +  and not fleshy +
15mm;40mm +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
trullate +  and cordate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
tubular +, campanulate +  and symmetric +
0.6 cm6 mm <br />0.006 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
fleshy +  and woody +
whorled +  and alternate +
Howell's lousewort +
white +, yellow +, red +, purple +  and pink +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Calif. +  and Oreg. +
1100–2000. +
hairy +  and glabrous +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
tinged with red +  and violet +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Alpine forest clearings and edges. +
axillary +  and terminal +
spiral +, whorled +, alternate +  and opposite +
deciduous +
basal +  and cauline +
triangular +
entire +, serrate to crenate +  and serrate +
overlapping +  and nonoverlapping +
crenate +  and serrate +
tenuinucellate +  and unitegmic +
campylotropous-like +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Jun–Aug. +
Proc. Amer. Acad. Arts +
15-40-flowered;simple +
5 +  and 100 +
5 +  and 2 +
subequal +
aerial +  and subterranean +
Woolly (?) +, Villous (?) +, Hispid (?) +  and Glabrous (?) +
tomentose;glabrous;woolly;scattered;glabrous;glabrous +
Elephantella +  and Pediculariopsis +
Pedicularis howellii +
Pedicularis +
species +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +