Pedicularis lanceolata |
Pedicularis lapponica |
|
---|---|---|
swamp lousewort |
Lapland lousewort, pédiculaire de laponie |
|
Habit | Plants 20–100 cm. | Plants 5–15 cm. |
Leaves | basal 0; cauline 10–30, blade lanceolate, 20–100 x 10–30 mm, 1-pinnatifid, margins of adjacent lobes nonoverlapping, 2-serrate, surfaces hispid. |
basal 0–4, blade lanceolate, 6–25 x 3–13 mm, 1-pinnatifid, margins of adjacent lobes nonoverlapping, serrate, surfaces glabrous; cauline 3–7, blade lanceolate, 10–35 x 2–6 mm, 1(or 2)-pinnatifid, margins of adjacent lobes nonoverlapping, serrate, surfaces glabrous. |
Racemes | paniculate, 1, each 10–20-flowered; bracts lanceolate to trullate, 5–10 x 3–5 mm, undivided or 1-pinnatifid and 1- or 2-auricled, proximal margins entire, distal 1- or 2-serrate, surfaces glabrous or hispid. |
simple, capitate, 1–3, exceeding basal leaves, each 6–12-flowered; bracts linear to triangular, 6–9 x 1–3 mm, undivided or 1-pinnatifid, proximal margins entire, distal serrate, surfaces glabrous. |
Pedicels | 1–1.5 mm. |
1–2 mm. |
Flowers | calyx 7–12 mm, glabrous or hispid, lobes 2, trullate, ovate, elliptic, or triangular, 2.5–3.5 mm, apex serrate, glabrous, sometimes ciliate; corolla 16–22 mm, tube white, cream, or light yellow, 8–12 mm; galea white, cream, or light yellow, 8–12 mm, beaked, beak straight, 0.5–2.5 mm, margins entire medially and distally, apex extending over abaxial lip; abaxial lip white, cream, or light yellow, 7–10 mm. |
calyx 4–5.5 mm, glabrous, lobes 2, deltate, 0.2–1 mm, apex entire, glabrous; corolla 11–17 mm, tube yellow, 6–8 mm; galea yellow, 5–9 mm, beaked, beak straight, 0.5–2 mm, margins entire medially and distally, apex extending over abaxial lip; abaxial lip yellow, 4–7 mm. |
2n | = 16. |
= 16. |
Pedicularis lanceolata |
Pedicularis lapponica |
|
Phenology | Flowering Aug–Oct. | Flowering Jun–Aug. |
Habitat | Wet meadows, fens, springs, moist prairies, swamps. | Arctic-alpine tundras, heathlands, subarctic, moist hummocky tundras, hummocks, open white spruce and tamarack forests. |
Elevation | 10–1100 m. (0–3600 ft.) | 50–1200 m. (200–3900 ft.) |
Distribution |
AR; CT; DE; GA; IA; IL; IN; KY; MA; MD; MI; MN; MO; NC; ND; NE; NJ; NY; OH; PA; SD; TN; VA; WI; WV; MB; ON
|
AK; LB; MB; NT; NU; ON; QC; YT; Greenland; Europe; Asia |
Discussion | The long corolla tubes of Pedicularis lanceolata are uncharacteristically nectarless, and only late season pollen-foraging worker bumblebees pollinate this species (L. W. Macior 1969). The uniquely hinged abaxial lip covering the opening of the galea is an adaptation to allow only worker bumblebees access to the anthers, as they must learn to push it aside during foraging. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
W. J. Cody (2000) described the beak of Pedicularis lapponica as toothed, but this is a misinterpretation of its irregular fimbriate apex that sometimes appears to be toothed. Basal leaves are usually not present on herbarium material, but if present, they are often larger than the cauline leaves but otherwise similar in form. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 525. | FNA vol. 17, p. 526. |
Parent taxa | Orobanchaceae > Pedicularis | Orobanchaceae > Pedicularis |
Sibling taxa | ||
Name authority | Michaux: Fl. Bor.-Amer. 2: 18. (1803) | Linnaeus: Sp. Pl. 2: 609. (1753) |
Web links |