Plantago subnuda |
Plantago argyrea |
|
---|---|---|
coastal plantain, Mexican plantain, tall coastal plantain |
saltmeadow plantain |
|
Habit | Perennials; caudex well developed, conspicuous, glabrous or hairy; roots taproots, fragile. | Annuals; roots taproots, slender. |
Stems | 0–10 mm. |
0–20 mm. |
Leaves | 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. |
45–140 × 1.5–4 mm; blade linear, margins entire, veins conspicuous or not, surfaces sericeous, rarely lanate. |
Scapes | 55–360 mm, hairy, hairs antrorse, long. |
300–1300 mm, hairy, hairs antrorse, long and short. |
Spikes | 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. |
greenish or brownish, 70–200 mm, densely or loosely flowered, flowers in whorls or pairs; bracts ovate, 1.5–2 mm, length 0.4–0.7 times sepals, apex acute. |
Flowers | sepals 2.6–3.1 mm; corolla radially symmetric, lobes erect, forming a beak, 2.4–2.7 mm, base obtuse; stamens 4. |
sepals 2.6–3.3 mm; corolla bilaterally symmetric, lobes reflexed, 1.7–2.6 mm, base cordate; stamens 4, connective slightly elongated, apex obtuse. |
Seeds | 3, 1.8–2.5 mm. |
2, 2.3–2.8 mm. |
2n | = 48. |
|
Plantago subnuda |
Plantago argyrea |
|
Phenology | Flowering late spring–fall. | Flowering summer–fall. |
Habitat | Moist ground. | Clearings in forests. |
Elevation | 0–300 m. (0–1000 ft.) | 700–2900 m. (2300–9500 ft.) |
Distribution |
CA; OR; WA
|
AZ; NM; Mexico (Baja California, Chihuahua)
|
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.) |
|
Source | FNA vol. 17, p. 293. | FNA vol. 17, p. 284. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Name authority | Pilger: Notizbl. Königl. Bot. Gart. Berlin 5: 260. (1912) | E. Morris: Bull. Torrey Bot. Club 27: 111. (1900) |
Web links |
|