Plantago canescens |
Plantago firma |
|
---|---|---|
arctic plantain, gray-pubescent plantain, Siberian plantain |
Chilean plantain |
|
Habit | Perennials; caudex usually woolly; roots taproots, thick. | Annuals; roots taproots, slender. |
Stems | 0–20 mm. |
0–10 mm. |
Leaves | ascending, 180–250 × 6–20 mm; blade linear to lanceolate or oblanceolate, margins entire, rarely toothed, veins conspicuous, surfaces glabrate or hairy, hairs 1 mm. |
20–50 × 2–15 mm; blade narrowly obovate or narrowly elliptic, margins toothed, veins conspicuous, surfaces densely pilose or glabrate. |
Scapes | 50–230 mm, not groove-angled, hairy or glabrous. |
10–50 mm, hairy, hairs appressed or nearly patent. |
Spikes | grayish or whitish, 80–350 mm, usually densely flowered, shiny; corolla lobes of neighboring flowers often overlapping; bracts broadly ovate, 1.8–2 mm, length 0.9–1 times sepals. |
greenish or brownish, 40–60 mm, densely flowered; bracts triangular, 2–3.1 mm, length 0.7–1.1 times sepals. |
Flowers | sepals 2 mm, adaxial 2 nearly distinct; corolla radially symmetric, lobes reflexed, 2 mm, base obtuse; stamens 4. |
sepals 1.8–2.8 mm; corolla radially symmetric, lobes patent or erect, forming a beak, 1.7–3.1 mm, base obtuse; stamens 4. |
Seeds | 3–7, 1–1.8 mm. |
2, 1.5–2.2 mm, adaxial face flat. |
2n | = 12. |
= 24. |
Plantago canescens |
Plantago firma |
|
Phenology | Flowering summer. | Flowering fall. |
Habitat | Grassy, gravelly, and rocky slopes, cliffs. | Sandy soils. |
Elevation | 0–2000 m. (0–6600 ft.) | 0–1000 m. (0–3300 ft.) |
Distribution |
AK; MT; AB; BC; NT; NU; YT; Asia |
CA; South America (Chile) [Introduced in North America]
|
Discussion | N. N. Tzvelev (1983) recognized six subspecies (including two in North America) within Plantago canescens; North American material is not segregated as such here. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Plantago firma has been known in California, especially in Marin County, since at least 1896, but the most recent collection known was made in 1957. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 285. | FNA vol. 17, p. 286. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | P. septata | P. truncata subsp. firma |
Name authority | Adams: Nouv. Mém. Soc. Imp. Naturalistes Moscou 9: 233, plate 13, fig. 1. (1834) | Kunze ex Walpers: Nov. Actorum Acad. Caes. Leop. Carol. Nat. Cur. 19, suppl. 1: 402. (1843) |
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