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Alaska plantain, seashore plantain

coastal plantain, Mexican plantain, tall coastal plantain

Habit Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick. Perennials; caudex well developed, conspicuous, glabrous or hairy; roots taproots, fragile.
Stems

0–20 mm.

0–10 mm.

Leaves

(80–)100–400(–550) × (5–)10–35(–40) mm;

blade oblanceolate or almost linear, margins entire, veins conspicuous, 4 or 5, surfaces glabrous.

60–360 × 15–65 mm;

blade elliptic to narrowly elliptic, margins toothed, veins conspicuous, surfaces pilose, rarely glabrate, adaxial surface hairs not floccose, less than 2 mm long, more than 0.03 mm wide.

Scapes

300–400 mm, glabrous or sparsely hairy, becoming densely so distally.

55–360 mm, hairy, hairs antrorse, long.

Spikes

greenish or brownish, 350–450 mm, loosely flowered;

bracts ovate to deltate, 3–4 mm, length 1.5–2.5 times sepals.

greenish or brownish, 110–720 mm, densely or loosely flowered;

bracts ovate, rarely triangular, 2.5–4 mm, length 0.8–1.3 times sepals.

Flowers

sepals 1.5–2 mm;

corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse;

stamens 4.

sepals 2.6–3.1 mm;

corolla radially symmetric, lobes erect, forming a beak, 2.4–2.7 mm, base obtuse;

stamens 4.

Fruits

ovoid, indehiscent or dehiscence not circumscissile.

Seeds

1 or 2, 4–5 mm.

3, 1.8–2.5 mm.

2n

= 24.

= 48.

Plantago macrocarpa

Plantago subnuda

Phenology Flowering late spring–early summer. Flowering late spring–fall.
Habitat Wet places, tidal marshes, saline areas. Moist ground.
Elevation 0–700 m. (0–2300 ft.) 0–300 m. (0–1000 ft.)
Distribution
from FNA
AK; OR; WA; BC; Asia
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

Plantago macrocarpa has been documented along the Pacific coast south to the mouth of the Yachats River in Oregon.

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

Plantago subnuda occurs primarily in counties along the Pacific coast from southwestern Washington to southern California.

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

Source FNA vol. 17, p. 289. FNA vol. 17, p. 293.
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. 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. tweedyi, P. virginica, P. wrightiana
Name authority Chamisso & Schlechtendal: Linnaea 1: 166. (1826) Pilger: Notizbl. Königl. Bot. Gart. Berlin 5: 260. (1912)
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