Plantago coronopus

Linnaeus

Sp. Pl. 1: 115. 1753.

Common names: Buckhorn plantain
Introduced
Synonyms: Plantago coronopus subsp. commutata (Gussone) Pilger
Treatment appears in FNA Volume 17. Treatment on page 285. Mentioned on page 281, 282.

Annuals, sometimes biennials; roots taproots, stout. Stems 0–10 mm. Leaves 20–80 (–115) × 5–15 mm; blade lanceolate, margins usually 1-pinnatifid or 2-pinnatifid, veins conspicuous or not, surfaces villous, hairs septate, sometimes glabrate. Scapes decumbent, sometimes erect, 15–150 (–210) mm, villous. Spikes 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 2–3 mm; corolla radially symmetric, tube hairy, lobes reflexed, 1 mm, base obtuse; stamens 4. Seeds (2–) 4 (plus 1 smaller, distal one of different shape), 1–1.5 mm. 2n = 10, 20, 30 (all Eurasia).


Phenology: Flowering summer.
Habitat: Moist, gravelly or sandy soils.
Elevation: 0–200 m.

Distribution

Introduced; Greenland, B.C., Man., Calif., Mass., N.J., N.Y., Oreg., Pa., Tex., Wash., Eurasia, Africa, also in s South America

Discussion

Selected References

None.

Lower Taxa

None.

"-0.6timessepals" is not declared as a valid unit of measurement for this property.

... more about "Plantago coronopus"
30 +, 20 +  and 10 +
Alexey Shipunov +
Linnaeus +
alternate +, opposite +, whorled +, helical +  and subopposite +
lanceolate +
not +, leathery +  and fleshy +
ovate;lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cuplike +
Buckhorn plantain +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
semitransparent +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
Greenland +, B.C. +, Man. +, Calif. +, Mass. +, N.J. +, N.Y. +, Oreg. +, Pa. +, Tex. +, Wash. +, Eurasia +, Africa +  and also in s South America +
drupe-like +
0–200 m. +
curved +  and straight +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
ovoid +  and lanceoloid +
Moist, gravelly or sandy soils. +
8 cm80 mm <br />0.08 m <br /> (11.5 cm115 mm <br />0.115 m <br />) +
persistent +  and deciduous +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
2-pinnatifid +  and 1-pinnatifid +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
Flowering summer. +
minute +
15 cm150 mm <br />0.15 m <br /> (21 cm210 mm <br />0.21 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (15 cm150 mm <br />0.15 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
yellowish-brown +, dark red +, brown +  and black +
4 cm40 mm <br />0.04 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
distinct +
4 +  and 3 +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Introduced +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
brownish +, purplish +  and greenish +
shiny +  and dull +
3 cm30 mm <br />0.03 m <br /> (30 cm300 mm <br />0.3 m <br />) +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
hairy +  and glabrous +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
elongate +
Plantago coronopus subsp. commutata +
Plantago coronopus +
Plantago +
species +
gibbous +  and spurred +
not +  and conspicuous +
biennial +  and annual +
biennial +, perennial +  and annual +
6 +, 5 +  and 4 +