Plantago tweedyi |
Plantago floccosa |
|
---|---|---|
Tweedy's plantain |
floccose plantain |
|
Habit | Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick. | Perennials; caudex well developed, conspicuous, glabrous or hairy; roots several taproots, fragile. |
Stems | 0–20 mm. |
0–30 mm. |
Leaves | 40–200 × 10–30 mm; blade lanceolate-spatulate to narrowly ovate, margins entire, sometimes toothed, veins conspicuous, surfaces usually glabrous. |
50–220 × 9–60 mm; blade elliptic to narrowly elliptic, margins with inconspicuous teeth, veins conspicuous, surfaces hairy, adaxial surface hairs floccose, slender, 4–6 × 0.01–0.03 mm. |
Scapes | 25–200 mm, slightly surpassing leaves, glabrous. |
55–220 mm, lanate, hairs variously directed, long. |
Spikes | brownish or greenish, 45–250 mm, densely flowered, rachis not clearly visible between flowers; bracts broadly ovate, 2 mm, length 0.8–1 times sepals. |
greenish or brownish, 200–500 mm, densely flowered, flowers less crowded proximally; bracts narrowly triangular or triangular, 2–2.8 mm, lengths 0.9–1 times sepals. |
Flowers | sepals 2–2.5 mm; corolla radially symmetric, lobes spreading, 1 mm, base obtuse; stamens 4. |
sepals 1.9–2.7 mm; corolla radially symmetric, lobes erect, forming a beak, 2–2.9 mm, base obtuse; stamens 4. |
Seeds | 3 or 4, 2–2.3 mm. |
3, 1.8–2.4 mm. |
2n | = 24. |
|
Plantago tweedyi |
Plantago floccosa |
|
Phenology | Flowering summer. | Flowering spring–fall. |
Habitat | Grasslands, sagebrush steppes, montane and subalpine meadows. | Roadsides. |
Elevation | 1600–4000 m. (5200–13100 ft.) | 0–300 m. (0–1000 ft.) |
Distribution |
AZ; CO; ID; MT; NM; UT; WY
|
FL; Mexico (Hidalgo, México, Querétaro, San Luis Potosi, Tamaulipas, Veracruz) [Introduced in North America] |
Discussion | According to J. Burkhalter (pers. comm.), Plantago floccosa is well established in northwestern Florida near the border with Alabama. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 17, p. 293. | FNA vol. 17, p. 287. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Name authority | A. Gray: in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 390. (1886) | Decaisne: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 13(1): 723. (1852) |
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