Plantago macrocarpa |
Plantago firma |
|
---|---|---|
Alaska plantain, seashore plantain |
Chilean plantain |
|
Habit | Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick. | Annuals; roots taproots, slender. |
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. |
20–50 × 2–15 mm; blade narrowly obovate or narrowly elliptic, margins toothed, veins conspicuous, surfaces densely pilose or glabrate. |
Scapes | 300–400 mm, glabrous or sparsely hairy, becoming densely so distally. |
10–50 mm, hairy, hairs appressed or nearly patent. |
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, 40–60 mm, densely flowered; bracts triangular, 2–3.1 mm, length 0.7–1.1 times sepals. |
Flowers | sepals 1.5–2 mm; corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse; stamens 4. |
sepals 1.8–2.8 mm; corolla radially symmetric, lobes patent or erect, forming a beak, 1.7–3.1 mm, base obtuse; stamens 4. |
Fruits | ovoid, indehiscent or dehiscence not circumscissile. |
|
Seeds | 1 or 2, 4–5 mm. |
2, 1.5–2.2 mm, adaxial face flat. |
2n | = 24. |
= 24. |
Plantago macrocarpa |
Plantago firma |
|
Phenology | Flowering late spring–early summer. | Flowering fall. |
Habitat | Wet places, tidal marshes, saline areas. | Sandy soils. |
Elevation | 0–700 m. (0–2300 ft.) | 0–1000 m. (0–3300 ft.) |
Distribution |
AK; OR; WA; BC; Asia
|
CA; South America (Chile) [Introduced in North America]
|
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 firma has been known in California, especially in Marin County, since at least 1896, but the most recent collection known was made in 1957. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 289. | FNA vol. 17, p. 286. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. truncata subsp. firma | |
Name authority | Chamisso & Schlechtendal: Linnaea 1: 166. (1826) | Kunze ex Walpers: Nov. Actorum Acad. Caes. Leop. Carol. Nat. Cur. 19, suppl. 1: 402. (1843) |
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