Plantago hookeriana |
Plantago coronopus |
|
---|---|---|
California plantain, Hooker's plantain, tallow weed |
buck's-horn plantain, buck-horn plantain, cut-leaf plantain |
|
Habit | Annuals; roots taproots, slender. | Annuals, sometimes biennials; roots taproots, stout. |
Stems | 0–10 mm. |
0–10 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. |
20–80(–115) × 5–15 mm; blade lanceolate, margins usually 1- or 2-pinnatifid, veins conspicuous or not, surfaces villous, hairs septate, sometimes glabrate. |
Scapes | 280–580 mm, hairy, hairs antrorse, long and short. |
decumbent, sometimes erect, 15–150(–210) mm, villous. |
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. |
decumbent, sometimes erect, greenish, purplish, or brownish, (15–)30–300 mm, densely flowered; bracts ovate to lanceolate, 1.5–2 mm, length 0.5–0.6 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 2–3 mm; corolla radially symmetric, tube hairy, lobes reflexed, 1 mm, base obtuse; stamens 4. |
Seeds | 2, 2.4–3.4 mm. |
(2–)4 (plus 1 smaller, distal one of different shape), 1–1.5 mm. |
2n | = 20. |
= 10, 20, 30 (all Eurasia). |
Plantago hookeriana |
Plantago coronopus |
|
Phenology | Flowering spring. | Flowering summer. |
Habitat | Sandy soils, disturbed areas. | Moist, gravelly or sandy soils. |
Elevation | 0–1300 m. (0–4300 ft.) | 0–200 m. (0–700 ft.) |
Distribution |
LA; MS; TX; Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas)
|
CA; MA; NJ; NY; OR; PA; TX; WA; BC; MB; Greenland; Eurasia; Africa [Introduced in North America; introduced also in s South America]
|
Source | FNA vol. 17, p. 287. | FNA vol. 17, p. 285. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. hookeriana var. nuda | P. coronopus subsp. commutata |
Name authority | Fischer & C. A. Meyer: Index Seminum (St. Petersburg) 1838: 39. (1839) | Linnaeus: Sp. Pl. 1: 115. (1753) |
Web links |
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