Plantago aristata

Michaux

Fl. Bor.-Amer. 1: 95. 1803.

Common names: Largebract plantain
Endemic
Synonyms: Plantago patagonica var. aristata (Michaux) A. Gray P. purshii var. aristata (Michaux) M. E. Jones
Treatment appears in FNA Volume 17. Treatment on page 284. Mentioned on page 282, 291.

Annuals; roots taproots, slender. Stems 20–40 mm. Leaves 30–200 × 3–7 mm; blade linear or narrowly lanceolate, margins entire, rarely toothed, veins conspicuous or not, abaxial surface villous, adaxial glabrous or sparsely villous. Scapes 100–500 mm, hairy, hairs antrorse, long and short. Spikes greenish or brownish, 80–150 mm, densely flowered, flowers in whorls or pairs; bracts almost linear, 15–30 mm, length 2–12 times sepals. Flowers: sepals 2.7–3.7 mm; corolla bilaterally symmetric, lobes reflexed, adaxials 1.4–2.3 mm, laterals symmetric, base deeply cordate; stamens 4, connective elongated, apex acute. Seeds 2, 2.5–2.9 mm. 2n = 20.


Phenology: Flowering spring–fall.
Habitat: Roadsides, pastures, disturbed ground.
Elevation: 0–700 m.

Distribution

N.S., Ont., Ala., Ark., Calif., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., Wash., W.Va., Wis., in Central America, Europe, Asia

Discussion

Plantago aristata is similar to P. patagonica; the latter is distinguished by its dense, villous indument.

Selected References

None.

Lower Taxa

None.

"-12timessepals" is not declared as a valid unit of measurement for this property.

... more about "Plantago aristata"
0.14 cm1.4 mm <br />0.0014 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
villous +  and glabrous +
Alexey Shipunov +
Michaux +
alternate +, opposite +, whorled +, helical +  and subopposite +
cordate +
lanceolate;linear +
not +, leathery +  and fleshy +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
cuplike +
Largebract plantain +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
semitransparent +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
N.S. +, Ont. +, Ala. +, Ark. +, Calif. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, in Central America +, Europe +  and Asia +
drupe-like +
0–700 m. +
curved +  and straight +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
ovoid +  and lanceoloid +
Roadsides, pastures, disturbed ground. +
persistent +  and deciduous +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
Flowering spring–fall. +
Fl. Bor.-Amer. +
minute +
ascending +  and erect +
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 m <br />) +
yellowish-brown +, dark red +, brown +  and black +
2 cm20 mm <br />0.02 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
distinct +
4 +  and 3 +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
brownish +  and greenish +
shiny +  and dull +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
hairy +  and glabrous +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
elongate +
Plantago patagonica var. aristata +  and P. purshii var. aristata +
Plantago aristata +
Plantago +
species +
gibbous +  and spurred +
hairy +  and glabrous +
not +  and conspicuous +
biennial +, perennial +  and annual +
6 +, 5 +  and 4 +