Plantago hookeriana |
Plantago elongata |
|
---|---|---|
California plantain, Hooker's plantain, tallow weed |
coastal plantain, prairie plantain, slender plantain |
|
Habit | Annuals; roots taproots, slender. | Annuals; roots taproots, slender. |
Stems | 0–10 mm. |
0–5(–7) mm. |
Leaves | 60–120 × 4–10 mm; blade linear, margins toothed (teeth to 4 mm), rarely entire, veins conspicuous or not, surfaces villous or sericeous. |
10–70 × (0.8–)1–2 mm; blade linear to almost filiform, margins entire, veins conspicuous or not, surfaces glabrous or hairy. |
Scapes | 280–580 mm, hairy, hairs antrorse, long and short. |
10–80 mm, glabrous or hairy. |
Spikes | greenish or brownish, 50–180 mm, densely flowered, flowers in whorls or pairs; bracts ovate or triangular, 1.5–6 mm, length 0.6–1.4 times sepals, apex acute or acuminate. |
greenish, brownish, or gray, (30–)50–150 mm, densely or loosely flowered; bracts ovate, 2–2.5 mm, length 0.8–1.2 times sepals. |
Flowers | sepals 2.5–4 mm; corolla bilaterally symmetric, abaxial and lateral lobes reflexed, adaxial erect, 2.2–2.5 mm, base slightly cordate; stamens 4, connective significantly elongated, apex acute. |
sepals 2–2.5 mm; corolla radially symmetric, lobes spreading or reflexed, not forming a beak, 0.5–1 mm, base obtuse; stamens 2. |
Seeds | 2, 2.4–3.4 mm. |
(3 or)4–9(–12), 1.5–2.5 mm. |
2n | = 20. |
= 12, 20, 36. |
Plantago hookeriana |
Plantago elongata |
|
Phenology | Flowering spring. | Flowering spring–early summer. |
Habitat | Sandy soils, disturbed areas. | Mostly moist soils. |
Elevation | 0–1300 m. (0–4300 ft.) | 0–2100 m. (0–6900 ft.) |
Distribution |
LA; MS; TX; Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas)
|
AZ; CA; CO; ID; KS; MN; MT; ND; NE; NM; OK; OR; SD; TX; UT; WA; WY; AB; BC; MB; SK; Mexico (Baja California)
|
Discussion | Purported differences between Plantago bigelovii and P. elongata (I. J. Bassett 1966) do not appear to be taxonomically meaningful. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 17, p. 287. | FNA vol. 17, p. 286. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. hookeriana var. nuda | P. bigelovii, P. bigelovii subsp. californica, P. elongata subsp. pentasperma |
Name authority | Fischer & C. A. Meyer: Index Seminum (St. Petersburg) 1838: 39. (1839) | Pursh: Fl. Amer. Sept. 2: 729. (1813) |
Web links |