Plantago macrocarpa |
Plantago sparsiflora |
|
---|---|---|
Alaska plantain, seashore plantain |
pineland plantain |
|
Habit | Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick. | Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick. |
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. |
50–300 × 10–30 mm; blade lanceolate, margins entire, sometimes toothed, veins conspicuous, laterals branching from base, surfaces sparsely hairy. |
Scapes | 300–400 mm, glabrous or sparsely hairy, becoming densely so distally. |
75–150 mm, sparsely hairy. |
Spikes | greenish or brownish, 350–450 mm, loosely flowered; bracts ovate to deltate, 3–4 mm, length 1.5–2.5 times sepals. |
brownish or greenish, 100–450 mm, loosely flowered, rachis visible between flowers; bracts ovate, 1 mm, length 0.5–0.6 times sepals. |
Flowers | sepals 1.5–2 mm; corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse; stamens 4. |
sepals 2 mm; corolla radially symmetric, lobes spreading, 1 mm, base obtuse; stamens 4. |
Fruits | ovoid, indehiscent or dehiscence not circumscissile. |
|
Seeds | 1 or 2, 4–5 mm. |
2, 2 mm. |
2n | = 24. |
= 24. |
Plantago macrocarpa |
Plantago sparsiflora |
|
Phenology | Flowering late spring–early summer. | Flowering summer. |
Habitat | Wet places, tidal marshes, saline areas. | Moist, sandy soils, open, undisturbed pine woods. |
Elevation | 0–700 m. (0–2300 ft.) | 0–200 m. (0–700 ft.) |
Distribution |
AK; OR; WA; BC; Asia
|
FL; GA; NC; SC
|
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.) |
Populations of Plantago sparsiflora occur mainly along the Atlantic coast from Columbia County, North Carolina, south to Volusia County, Florida. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 289. | FNA vol. 17, p. 292. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Name authority | Chamisso & Schlechtendal: Linnaea 1: 166. (1826) | Michaux: Fl. Bor.-Amer. 1: 94. (1803) |
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