Flora of North America species comparison

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Plantago tweedyi

Plantago eriopoda

Tweedy's plantain

alkali plantain, hairy fruit plantain, plantain à base velue, redwool plantain, saline plantain
Habit Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick. Perennials; caudex well developed, conspicuous, brown-woolly; roots taproots, thick.
Stems

0–20 mm.

0–20 mm.
Leaves

40–200 × 10–30 mm;

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

(30–)50–250 × (5–)15–70 mm;

blade lanceolate to elliptic, margins entire, veins conspicuous, laterals branching from base, surfaces glabrous or hairy.
Scapes

25–200 mm, slightly surpassing leaves, glabrous.

(40–)50–300 mm, glabrous or hairy.
Spikes

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.

brownish or greenish, (25–)80–500 mm, loosely flowered, rachis visible between flowers;

bracts broadly ovate, 2–2.5 mm, length 0.8–1.2 times sepals.
Flowers

sepals 2–2.5 mm;

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

stamens 4.

sepals 2–2.5 mm;

corolla radially symmetric, lobes reflexed, 1–1.5 mm, base obtuse;

stamens 4.
Seeds

3 or 4, 2–2.3 mm.

2–4, 2–2.5 mm.
2n

= 24.

= 24.

Plantago tweedyi

Plantago eriopoda
Phenology Flowering summer. Flowering late spring–early summer.
Habitat Grasslands, sagebrush steppes, montane and subalpine meadows. Moist meadows and prairies, wetlands, marshes, fens, ditches, stream banks, saline or alkaline soils.
Elevation 1600–4000 m. (5200–13100 ft.) 0–2900 m. (0–9500 ft.)
Distribution
from FNA
AZ; CO; ID; MT; NM; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; AZ; CA; CO; IA; ID; MN; MT; ND; NE; NM; NV; NY; OR; SD; UT; WY; AB; BC; MB; NT; QC; SK; YT; Mexico (Durango)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 17, p. 293. FNA vol. 17, p. 286.
Parent taxa Plantaginaceae > Plantago Plantaginaceae > Plantago
Sibling taxa
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
P. afra, P. argyrea, P. aristata, P. australis, P. canescens, P. cordata, P. coronopus, P. elongata, P. erecta, 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
Synonyms P. shastensis
Name authority A. Gray: in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 390. (1886) Torrey: Ann. Lyceum Nat. Hist. New York 2: 237. (1827)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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