Plantago pusilla

Nuttall

Gen. N. Amer. Pl. 1: 100. 1818.

Common names: Dwarf plantain
Endemic
Synonyms: Plantago hybrida W. P. C. Barton P. pusilla var. major Engelmann
Treatment appears in FNA Volume 17. Treatment on page 291. Mentioned on page 282.

Annuals; roots taproots, slender. Stems 0–5 mm. Leaves 20–70 × 1–2 mm; blade linear, margins entire, sometimes toothed, veins conspicuous or not, surfaces hairy or glabrous. Scapes 15–60 mm, hairy, sometimes glabrous. Spikes greenish or brownish, 20–100 mm, loosely or densely flowered; bracts triangular-ovate, 1.5–2 mm, length 0.9–1.1 times sepals. Flowers: sepals 1.5–2 mm; corolla radially symmetric, lobes erect, forming a beak, 0.5 mm, base obtuse; stamens 2. Seeds 4, 0.8–1.3 mm. 2n = 12.


Phenology: Flowering spring–early summer.
Habitat: Dry to moist, sandy, alluvial soils.
Elevation: 0–200 m.

Distribution

Ala., Ark., Calif., Conn., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Okla., Oreg., Pa., R.I., S.C., Tenn., Tex., Va., Wash.

Discussion

Plantago pusilla is considered to be introduced in Oregon and Washington, and possibly in California.

Selected References

None.

Lower Taxa

None.

"-1.1timessepals" is not declared as a valid unit of measurement for this property.

... more about "Plantago pusilla"
Alexey Shipunov +
Nuttall +
alternate +, opposite +, whorled +, helical +  and subopposite +
not +, leathery +  and fleshy +
triangular-ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cuplike +
Dwarf plantain +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
semitransparent +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
Ala. +, Ark. +, Calif. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +  and Wash. +
drupe-like +
0–200 m. +
curved +  and straight +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
ovoid +  and lanceoloid +
Dry to moist, sandy, alluvial soils. +
persistent +  and deciduous +
2 cm20 mm <br />0.02 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
Flowering spring–early summer. +
Gen. N. Amer. Pl. +
minute +
ascending +  and erect +
glabrous +  and hairy +
1.5 cm15 mm <br />0.015 m <br /> (6 cm60 mm <br />0.06 m <br />) +
yellowish-brown +, dark red +, brown +  and black +
4 cm40 mm <br />0.04 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
distinct +
4 +  and 3 +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
brownish +  and greenish +
shiny +  and dull +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
hairy +  and glabrous +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
elongate +
glabrous +  and hairy +
Plantago hybrida +  and P. pusilla var. major +
Plantago pusilla +
Plantago +
species +
gibbous +  and spurred +
hairy +  and glabrous +
not +  and conspicuous +
biennial +, perennial +  and annual +
6 +, 5 +  and 4 +