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bumble-bee flower, pédiculaire laineuse, woolly lousewort

Labrador lousewort, pédiculaire du Labrador

Habit Plants 2–25 cm.
Leaves

basal 2 or 3, blade lanceolate, 10–20 x 2–3 mm, 1- 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- 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- 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.

Pedicularis lanata

Pedicularis labradorica

Phenology Flowering Jun–Aug.
Habitat Open forests, tundras, heathlands, rocky slopes, muskegs.
Elevation 300–1100 m. (1000–3600 ft.)
Distribution
from FNA
AK; MT; AB; BC; NT; NU; QC; YT; Eurasia
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; AB; BC; LB; MB; NT; NU; ON; QC; SK; YT; Greenland; Asia (China, Russia)
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 4 (1 in the flora).

E. Hultén (1967) listed three subspecies of Pedicularis lanata, subspp. adamsii (Hultén) Hultén, dasyantha (Hadač) Hultén, and pallasii (Vvedensky) Hultén, as occurring in Eurasia; only subsp. lanata is found in North America.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 524. FNA vol. 17, p. 524.
Parent taxa Orobanchaceae > Pedicularis Orobanchaceae > Pedicularis
Sibling taxa
P. angustifolia, P. attollens, P. aurantiaca, P. bracteosa, P. canadensis, P. capitata, P. centranthera, P. chamissonis, P. contorta, P. crenulata, P. cystopteridifolia, P. densiflora, P. dudleyi, P. flammea, P. furbishiae, P. groenlandica, P. hirsuta, P. howellii, P. labradorica, P. lanceolata, P. langsdorffii, P. lapponica, P. oederi, P. ornithorhyncha, P. ornithorhynchos, P. palustris, P. parryi, P. parviflora, P. pennellii, P. procera, P. pulchella, P. racemosa, P. rainierensis, P. semibarbata, P. sudetica, P. sylvatica, P. verticillata
P. angustifolia, P. attollens, P. aurantiaca, P. bracteosa, P. canadensis, P. capitata, P. centranthera, P. chamissonis, P. contorta, P. crenulata, P. cystopteridifolia, P. densiflora, P. dudleyi, P. flammea, P. furbishiae, P. groenlandica, P. hirsuta, P. howellii, P. lanata, P. lanceolata, P. langsdorffii, P. lapponica, P. oederi, P. ornithorhyncha, P. ornithorhynchos, P. palustris, P. parryi, P. parviflora, P. pennellii, P. procera, P. pulchella, P. racemosa, P. rainierensis, P. semibarbata, P. sudetica, P. sylvatica, P. verticillata
Subordinate taxa
P. lanata subsp. lanata
Synonyms P. labradorica var. sulphurea
Name authority Willdenow ex Chamisso & Schlechtendal: Linnaea 2: 583. (1827) Wirsing: Eclog. Bot. [2], plate 10. (1778)
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