Plantago aristata |
Plantago argyrea |
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bottlebrush indianwheat, bract plantain, bristly plantain, large bract plantain |
saltmeadow plantain |
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Habit | Annuals; roots taproots, slender. | Annuals; roots taproots, slender. |
Stems | 20–40 mm. |
0–20 mm. |
Leaves | 30–200 × 3–7 mm; blade linear or narrowly lanceolate, margins entire, rarely toothed, veins conspicuous or not, abaxial surface villous, adaxial glabrous or sparsely villous. |
45–140 × 1.5–4 mm; blade linear, margins entire, veins conspicuous or not, surfaces sericeous, rarely lanate. |
Scapes | 100–500 mm, hairy, hairs antrorse, long and short. |
300–1300 mm, hairy, hairs antrorse, long and short. |
Spikes | greenish or brownish, 80–150 mm, densely flowered, flowers in whorls or pairs; bracts almost linear, 15–30 mm, length 2–12 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 2.7–3.7 mm; corolla bilaterally symmetric, lobes reflexed, adaxials 1.4–2.3 mm, laterals symmetric, base deeply cordate; stamens 4, connective elongated, apex acute. |
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. |
Seeds | 2, 2.5–2.9 mm. |
2, 2.3–2.8 mm. |
2n | = 20. |
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Plantago aristata |
Plantago argyrea |
|
Phenology | Flowering spring–fall. | Flowering summer–fall. |
Habitat | Roadsides, pastures, disturbed ground. | Clearings in forests. |
Elevation | 0–700 m. (0–2300 ft.) | 700–2900 m. (2300–9500 ft.) |
Distribution |
AL; AR; CA; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; NE; NH; NJ; NM; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; VA; VT; WA; WI; WV; NS; ON [Introduced in Central America, Europe, Asia]
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AZ; NM; Mexico (Baja California, Chihuahua)
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Discussion | Plantago aristata is similar to P. patagonica; the latter is distinguished by its dense, villous indument. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 284. | FNA vol. 17, p. 284. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. patagonica var. aristata, P. purshii var. aristata | |
Name authority | Michaux: Fl. Bor.-Amer. 1: 95. (1803) | E. Morris: Bull. Torrey Bot. Club 27: 111. (1900) |
Web links |
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