Plantago macrocarpa |
Plantago lanceolata |
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Alaska plantain, seashore plantain |
buckhorn plantain, English plantain, narrow-leaf plantain, ribwort, ribwort plantain |
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Habit | Perennials; caudex well developed, conspicuous, glabrous; roots fibrous, thick. | Perennials; caudex hairy or glabrous; roots fibrous, 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. |
30–300 × 5–25(–45) mm; blade lanceolate to oblanceolate, margins entire or toothed, veins conspicuous, surfaces glabrous or sericeous. |
Scapes | 300–400 mm, glabrous or sparsely hairy, becoming densely so distally. |
300–400 mm, groove-angled, hairy. |
Spikes | greenish or brownish, 350–450 mm, loosely flowered; bracts ovate to deltate, 3–4 mm, length 1.5–2.5 times sepals. |
grayish, whitish, or yellowish, (5–)100–450(–1000) mm, usually shorter than scape, densely flowered, shiny; corolla lobes of neighboring flowers often overlapping; bracts broadly ovate, 2 mm, length 0.8–1 times sepals. |
Flowers | sepals 1.5–2 mm; corolla radially symmetric, lobes spreading, 1.5–2 mm, base obtuse; stamens 4. |
sepals 2–2.5 mm, adaxial 2 connate; corolla radially symmetric, lobes reflexed, 2–2.5 mm, base obtuse; stamens 4. |
Fruits | ovoid, indehiscent or dehiscence not circumscissile. |
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Seeds | 1 or 2, 4–5 mm. |
(1 or)2, 2–3(–4) mm. |
2n | = 24. |
= 12. |
Plantago macrocarpa |
Plantago lanceolata |
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Phenology | Flowering late spring–early summer. | Flowering summer. |
Habitat | Wet places, tidal marshes, saline areas. | Roadsides, trails, lawns, urban areas, other disturbed sites. |
Elevation | 0–700 m. (0–2300 ft.) | 0–3200 m. (0–10500 ft.) |
Distribution |
AK; OR; WA; BC; Asia
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AK; AL; AR; AZ; CA; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; BC; NB; NF; NS; ON; PE; QC; SPM; Greenland; Europe [Introduced in North America; introduced also in Central America, South America, Asia, Africa, Pacific Islands, Australia]
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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 lanceolata is known from historic collections in Manitoba and Saskatchewan. The name Plantago altissima Linnaeus sometimes has been misapplied to North American plants of P. lanceolata. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 289. | FNA vol. 17, p. 288. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. lanceolata var. angustifolia, P. lanceolata var. sphaerostachya | |
Name authority | Chamisso & Schlechtendal: Linnaea 1: 166. (1826) | Linnaeus: Sp. Pl. 1: 113. (1753) |
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