Plantago heterophylla |
Plantago sparsiflora |
|
---|---|---|
slender plantain |
pineland plantain |
|
Habit | Annuals; roots taproots, slender. | Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick. |
Stems | 0–10 mm. |
0–10 mm. |
Leaves | 30–80 × 1–4 mm; blade linear, margins lobed, rarely entire, veins conspicuous or not, surfaces hairy, sometimes glabrous. |
50–300 × 10–30 mm; blade lanceolate, margins entire, sometimes toothed, veins conspicuous, laterals branching from base, surfaces sparsely hairy. |
Scapes | 5–60 mm, hairy, sometimes glabrous. |
75–150 mm, sparsely hairy. |
Spikes | greenish or brownish, 50–150 mm, loosely or densely flowered; bracts ovate, 2 mm, length 0.9–1.1 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 2 mm; corolla radially symmetric, lobes spreading, 0.5–1 mm, base obtuse; stamens 2. |
sepals 2 mm; corolla radially symmetric, lobes spreading, 1 mm, base obtuse; stamens 4. |
Seeds | 10–25(–30), 0.5–0.8 mm. |
2, 2 mm. |
2n | = 12. |
= 24. |
Plantago heterophylla |
Plantago sparsiflora |
|
Phenology | Flowering spring–early summer. | Flowering summer. |
Habitat | Moist sandy soils. | Moist, sandy soils, open, undisturbed pine woods. |
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)]
|
FL; GA; NC; SC
|
Discussion | 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. 287. | FNA vol. 17, p. 292. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Name authority | Nuttall: Trans. Amer. Philos. Soc., n.s. 5: 177. (1835) | Michaux: Fl. Bor.-Amer. 1: 94. (1803) |
Web links |