Plantago tweedyi |
Plantago subnuda |
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Tweedy's plantain |
coastal plantain, Mexican plantain, tall coastal plantain |
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Habit | Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick. | Perennials; caudex well developed, conspicuous, glabrous or hairy; roots taproots, fragile. |
Stems | 0–20 mm. |
0–10 mm. |
Leaves | 40–200 × 10–30 mm; blade lanceolate-spatulate to narrowly ovate, margins entire, sometimes toothed, veins conspicuous, surfaces usually glabrous. |
60–360 × 15–65 mm; blade elliptic to narrowly elliptic, margins toothed, veins conspicuous, surfaces pilose, rarely glabrate, adaxial surface hairs not floccose, less than 2 mm long, more than 0.03 mm wide. |
Scapes | 25–200 mm, slightly surpassing leaves, glabrous. |
55–360 mm, hairy, hairs antrorse, 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, 110–720 mm, densely or loosely flowered; bracts ovate, rarely triangular, 2.5–4 mm, length 0.8–1.3 times sepals. |
Flowers | sepals 2–2.5 mm; corolla radially symmetric, lobes spreading, 1 mm, base obtuse; stamens 4. |
sepals 2.6–3.1 mm; corolla radially symmetric, lobes erect, forming a beak, 2.4–2.7 mm, base obtuse; stamens 4. |
Seeds | 3 or 4, 2–2.3 mm. |
3, 1.8–2.5 mm. |
2n | = 24. |
= 48. |
Plantago tweedyi |
Plantago subnuda |
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Phenology | Flowering summer. | Flowering late spring–fall. |
Habitat | Grasslands, sagebrush steppes, montane and subalpine meadows. | Moist ground. |
Elevation | 1600–4000 m. (5200–13100 ft.) | 0–300 m. (0–1000 ft.) |
Distribution |
AZ; CO; ID; MT; NM; UT; WY
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CA; OR; WA
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Discussion | Plantago subnuda occurs primarily in counties along the Pacific coast from southwestern Washington to southern California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 17, p. 293. | FNA vol. 17, p. 293. |
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) | Pilger: Notizbl. Königl. Bot. Gart. Berlin 5: 260. (1912) |
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