Pedicularis labradorica

Wirsing

Eclog. Bot. [2], plate 10. 1778.

Common names: Labrador lousewort pédiculaire du Labrador
Illustrated
Synonyms: Pedicularis labradorica var. sulphurea Hultén
Treatment appears in FNA Volume 17. Treatment on page 524. Mentioned on page 512, 518.

Plants 2–25 cm. Leaves: basal 2 or 3, blade lanceolate, 10–20 x 2–3 mm, 1-pinnatifid or 2-pinnatifid, margins of adjacent lobes nonoverlapping, serrate, surfaces glabrous; cauline 1–4, blade linear to lanceolate, 10–50 x 2–10 mm, undivided or 1-pinnatifid or 2-pinnatifid, margins of adjacent lobes nonoverlapping, serrate to 2-serrate, surfaces glabrous or sparsely downy to hispid. Racemes paniculate or buds present in cauline leaf-axils, 1–8, exceeding basal leaves, each 5–20-flowered; bracts linear to narrowly lanceolate, 7–15 x 1–2 mm, undivided or 1-pinnatifid, proximal margins entire, distal 1-serrate or 2-serrate, sometimes crenulate, surfaces glabrous or hispid. Pedicels 0.5–2 mm. Flowers: calyx 5–8 mm, glabrous, lobes 2, triangular, 0.5–1.5 mm, apex entire, sometimes slightly bifurcate, glabrous; corolla 12–18 mm, tube deep yellow, 7–10 mm; galea dark yellow or yellow tinged with purple or spotted, 5–9 mm, beakless, margins entire medially, 1-toothed distally, apex arching over abaxial lip; abaxial lip dark yellow, 5–7 mm. 2n = 16.


Phenology: Flowering Jun–Aug.
Habitat: Open forests, tundras, heathlands, rocky slopes, muskegs.
Elevation: 300–1100 m.

Distribution

Greenland, Alta., B.C., Man., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Asia (China), Asia (Russia)

Discussion

The flowers of Pedicularis labradorica are usually yellow or dark yellow, and the galea is tinged distally with red or purple; sometimes, the yellow color of the tube abruptly transitions into red or purple. Hultén based var. sulphurea on the solid yellow color variant from the Yukon.

Selected References

None.

Lower Taxa

None.

... more about "Pedicularis labradorica"
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
beakless +  and beaked +
Bruce W. Robart +
Wirsing +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
2-pinnatifid;1-pinnatifid;undivided;linear;lanceolate +
not leathery +  and not fleshy +
2mm;10mm +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1-pinnatifid +, undivided +, linear +  and narrowly lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
5-20-flowered +
tubular +, campanulate +  and symmetric +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
fleshy +  and woody +
whorled +  and alternate +
Labrador lousewort +  and pédiculaire du Labrador +
white +, yellow +, red +, purple +  and pink +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2-serrate +  and 1-serrate +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. (Labr.) +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Asia (China) +  and Asia (Russia) +
300–1100 m. +
hairy +  and glabrous +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
, +, yellow tinged with purple or yellow tinged with spotted +  and dark yellow +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Open forests, tundras, heathlands, rocky slopes, muskegs. +
axillary +  and terminal +
spiral +, whorled +, alternate +  and opposite +
deciduous +
basal +  and cauline +
triangular +
entire +, serrate +  and 2-serrate +
nonoverlapping +
1-toothed +
tenuinucellate +  and unitegmic +
campylotropous-like +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering Jun–Aug. +
Eclog. Bot. +
5 +  and 100 +
5 +  and 2 +
Illustrated +
subequal +
aerial +  and subterranean +
Woolly (?) +, Villous (?) +, Hispid (?) +  and Glabrous (?) +
hispid;glabrous;sparsely downy;hispid +
Pedicularis labradorica var. sulphurea +
Pedicularis labradorica +
Pedicularis +
species +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +