Plantago heterophylla |
Plantago patagonica |
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slender plantain |
Indian wheat, Patagonia plantain, Pursh's plantain, woolly plantain |
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Habit | Annuals; roots taproots, slender. | Annuals; roots taproots, slender. |
Stems | 0–10 mm. |
0–15 mm. |
Leaves | 30–80 × 1–4 mm; blade linear, margins lobed, rarely entire, veins conspicuous or not, surfaces hairy, sometimes glabrous. |
(25–)50–120 × 1–4 mm; blade linear, margins entire, rarely toothed, veins conspicuous or not, surfaces villous. |
Scapes | 5–60 mm, hairy, sometimes glabrous. |
(10–)40–240(–260) mm, hairy, hairs antrorse, long and short and patent, long. |
Spikes | greenish or brownish, 50–150 mm, loosely or densely flowered; bracts ovate, 2 mm, length 0.9–1.1 times sepals. |
grayish or brownish, 40–120 mm, densely flowered, flowers in whorls or pairs; bracts triangular or narrowly ovate, 2–10 mm, length 1–2 times sepals, apex acute or acuminate. |
Flowers | sepals 2 mm; corolla radially symmetric, lobes spreading, 0.5–1 mm, base obtuse; stamens 2. |
sepals 2.2–4.8 mm; corolla bilaterally symmetric, lobes reflexed, 1.6–2.1 mm, base cordate; stamens 4, connective usually elongated, apex acute. |
Seeds | 10–25(–30), 0.5–0.8 mm. |
2, 2.2–2.6 mm. |
2n | = 12. |
= 20. |
Plantago heterophylla |
Plantago patagonica |
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Phenology | Flowering spring–early summer. | Flowering early summer. |
Habitat | Moist sandy soils. | Dry sandy soils, grasslands, openings, disturbed areas. |
Elevation | 0–200 m. (0–700 ft.) | 0–3600 m. (0–11800 ft.) |
Distribution |
AL; AR; DE; FL; GA; IL; KS; KY; LA; MD; MO; MS; NC; NJ; NY; OK; PA; SC; TN; TX; VA [Introduced in South America (Argentina)]
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AR; AZ; CA; CO; GA; IA; ID; IL; IN; KS; LA; MA; ME; MI; MN; MO; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; SK; South America; Mexico (Baja California)
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Discussion | The circumscription of Plantago patagonica is treated here in accordance with K. Rahn (1978). The phenotypic plasticity of it does not allow varieties or subspecies to be recognized. Plants recognized in other floras as P. purshii (for example, Flora of Indiana and Flora of New Mexico) are referable to either P. aristata or P. patagonica (Rahn). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 287. | FNA vol. 17, p. 290. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. patagonica var. breviscapa, P. patagonica var. gnaphalioides, P. patagonica var. spinulosa, P. purshii var. oblonga, P. spinulosa | |
Name authority | Nuttall: Trans. Amer. Philos. Soc., n.s. 5: 177. (1835) | Jacquin: Icon. Pl. Rar. 2: 9, plate 306. (1795) |
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