Plantago macrocarpa |
Plantago argyrea |
|
---|---|---|
Alaska plantain, seashore plantain |
saltmeadow plantain |
|
Habit | Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick. | Annuals; roots taproots, slender. |
Stems | 0–20 mm. |
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. |
45–140 × 1.5–4 mm; blade linear, margins entire, veins conspicuous or not, surfaces sericeous, rarely lanate. |
Scapes | 300–400 mm, glabrous or sparsely hairy, becoming densely so distally. |
300–1300 mm, hairy, hairs antrorse, long and short. |
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, 70–200 mm, densely or loosely flowered, flowers in whorls or pairs; bracts ovate, 1.5–2 mm, length 0.4–0.7 times sepals, apex acute. |
Flowers | sepals 1.5–2 mm; corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse; stamens 4. |
sepals 2.6–3.3 mm; corolla bilaterally symmetric, lobes reflexed, 1.7–2.6 mm, base cordate; stamens 4, connective slightly elongated, apex obtuse. |
Fruits | ovoid, indehiscent or dehiscence not circumscissile. |
|
Seeds | 1 or 2, 4–5 mm. |
2, 2.3–2.8 mm. |
2n | = 24. |
|
Plantago macrocarpa |
Plantago argyrea |
|
Phenology | Flowering late spring–early summer. | Flowering summer–fall. |
Habitat | Wet places, tidal marshes, saline areas. | Clearings in forests. |
Elevation | 0–700 m. (0–2300 ft.) | 700–2900 m. (2300–9500 ft.) |
Distribution |
AK; OR; WA; BC; Asia
|
AZ; NM; Mexico (Baja California, Chihuahua)
|
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.) |
|
Source | FNA vol. 17, p. 289. | FNA vol. 17, p. 284. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Name authority | Chamisso & Schlechtendal: Linnaea 1: 166. (1826) | E. Morris: Bull. Torrey Bot. Club 27: 111. (1900) |
Web links |
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