Plantago heterophylla |
Plantago media |
|
---|---|---|
slender plantain |
hoary plantain, plantain moyen |
|
Habit | Annuals; roots taproots, slender. | Perennials; caudex glabrous or hairy; roots taproots, thick. |
Stems | 0–10 mm. |
0–20 mm. |
Leaves | 30–80 × 1–4 mm; blade linear, margins lobed, rarely entire, veins conspicuous or not, surfaces hairy, sometimes glabrous. |
prostrate, sometimes ascending, 40–200 × 30–70 mm; blade elliptic to ovate, margins entire or toothed, veins conspicuous, surfaces hairy, hairs 0.5 mm. |
Scapes | 5–60 mm, hairy, sometimes glabrous. |
80–300 mm, not groove-angled, hirsute. |
Spikes | greenish or brownish, 50–150 mm, loosely or densely flowered; bracts ovate, 2 mm, length 0.9–1.1 times sepals. |
grayish or whitish, 100–400 mm, densely flowered, shiny; corolla lobes of neighboring flowers overlapping; bracts ovate, 1.8–2 mm, length 0.9–1 times sepals. |
Flowers | sepals 2 mm; corolla radially symmetric, lobes spreading, 0.5–1 mm, base obtuse; stamens 2. |
sepals 2 mm, adaxial 2 nearly distinct; corolla radially symmetric, lobes reflexed, 1.5 mm, base obtuse; stamens 4. |
Seeds | 10–25(–30), 0.5–0.8 mm. |
2–4, 2 mm. |
2n | = 12. |
= 12, 24. |
Plantago heterophylla |
Plantago media |
|
Phenology | Flowering spring–early summer. | Flowering summer. |
Habitat | Moist sandy soils. | Disturbed areas, neutral and basic soils. |
Elevation | 0–200 m. (0–700 ft.) | 0–200 m. (0–700 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)]
|
CT; IL; MA; ME; MI; NH; NJ; NY; PA; RI; WI; MB; NB; ON; QC; Eurasia [Introduced in North America] |
Discussion | Three varieties of Plantago media have been recognized in western Europe. It is not clear how names of those varieties apply to P. media in eastern Europe and North America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 17, p. 287. | FNA vol. 17, p. 290. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Name authority | Nuttall: Trans. Amer. Philos. Soc., n.s. 5: 177. (1835) | Linnaeus: Sp. Pl. 1: 113. (1753) |
Web links |