Plantago macrocarpa

Chamisso & Schlechtendal

Linnaea 1: 166. 1826.

Common names: Seashore plantain
Treatment appears in FNA Volume 17. Treatment on page 289. Mentioned on page 281, 283.
Revision as of 20:09, 16 December 2019 by FNA>Volume Importer

Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick. Stems 0–20 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. Scapes 300–400 mm, glabrous or sparsely hairy, becoming densely so distally. Spikes greenish or brownish, 350–450 mm, loosely flowered; bracts ovate to deltate, 3–4 mm, length 1.5–2.5 times sepals. Flowers: sepals 1.5–2 mm; corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse; stamens 4. Fruits ovoid, indehiscent or dehiscence not circumscissile. Seeds 1 or 2, 4–5 mm. 2n = 24.


Phenology: Flowering late spring–early summer.
Habitat: Wet places, tidal marshes, saline areas.
Elevation: 0–700 m.

Distribution

B.C., Alaska, Oreg., Wash., Asia.

Discussion

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

Selected References

None.

Lower Taxa

None.