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arctic plantain, gray-pubescent plantain, Siberian plantain

Tweedy's plantain

Habit Perennials; caudex usually woolly; roots taproots, thick. Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick.
Stems

0–20 mm.

0–20 mm.

Leaves

ascending, 180–250 × 6–20 mm;

blade linear to lanceolate or oblanceolate, margins entire, rarely toothed, veins conspicuous, surfaces glabrate or hairy, hairs 1 mm.

40–200 × 10–30 mm;

blade lanceolate-spatulate to narrowly ovate, margins entire, sometimes toothed, veins conspicuous, surfaces usually glabrous.

Scapes

50–230 mm, not groove-angled, hairy or glabrous.

25–200 mm, slightly surpassing leaves, glabrous.

Spikes

grayish or whitish, 80–350 mm, usually densely flowered, shiny;

corolla lobes of neighboring flowers often overlapping;

bracts broadly ovate, 1.8–2 mm, length 0.9–1 times sepals.

brownish or greenish, 45–250 mm, densely flowered, rachis not clearly visible between flowers;

bracts broadly ovate, 2 mm, length 0.8–1 times sepals.

Flowers

sepals 2 mm, adaxial 2 nearly distinct;

corolla radially symmetric, lobes reflexed, 2 mm, base obtuse;

stamens 4.

sepals 2–2.5 mm;

corolla radially symmetric, lobes spreading, 1 mm, base obtuse;

stamens 4.

Seeds

3–7, 1–1.8 mm.

3 or 4, 2–2.3 mm.

2n

= 12.

= 24.

Plantago canescens

Plantago tweedyi

Phenology Flowering summer. Flowering summer.
Habitat Grassy, gravelly, and rocky slopes, cliffs. Grasslands, sagebrush steppes, montane and subalpine meadows.
Elevation 0–2000 m. (0–6600 ft.) 1600–4000 m. (5200–13100 ft.)
Distribution
from FNA
AK; MT; AB; BC; NT; NU; YT; Asia
[BONAP county map]
from FNA
AZ; CO; ID; MT; NM; UT; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

N. N. Tzvelev (1983) recognized six subspecies (including two in North America) within Plantago canescens; North American material is not segregated as such here.

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

Source FNA vol. 17, p. 285. FNA vol. 17, p. 293.
Parent taxa Plantaginaceae > Plantago Plantaginaceae > Plantago
Sibling taxa
P. afra, P. argyrea, P. aristata, P. australis, P. cordata, P. coronopus, P. elongata, P. erecta, P. eriopoda, P. firma, P. floccosa, P. helleri, P. heterophylla, P. hookeriana, P. indica, P. lanceolata, P. macrocarpa, P. major, P. maritima, P. media, P. ovata, P. patagonica, P. pusilla, P. rhodosperma, P. rugelii, P. sempervirens, P. sparsiflora, P. subnuda, P. tweedyi, P. virginica, P. wrightiana
P. afra, P. argyrea, P. aristata, P. australis, P. canescens, P. cordata, P. coronopus, P. elongata, P. erecta, P. eriopoda, P. firma, P. floccosa, P. helleri, P. heterophylla, P. hookeriana, P. indica, P. lanceolata, P. macrocarpa, P. major, P. maritima, P. media, P. ovata, P. patagonica, P. pusilla, P. rhodosperma, P. rugelii, P. sempervirens, P. sparsiflora, P. subnuda, P. virginica, P. wrightiana
Synonyms P. septata
Name authority Adams: Nouv. Mém. Soc. Imp. Naturalistes Moscou 9: 233, plate 13, fig. 1. (1834) A. Gray: in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 390. (1886)
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