Plantago wrightiana
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 13(1): 712. 1852.
Annuals; roots taproots, slender. Stems 10–40 mm. Leaves 60–160 × 3–5 mm; blade linear, margins entire, veins conspicuous or not, abaxial surface villous, adaxial glabrous, rarely sparsely villous. Scapes 800–1600 mm, hairy, hairs antrorse, long and short. Spikes greenish or brownish, (20–)150–250 mm, densely flowered, flowers in whorls or pairs; bracts ovate or triangular, 1–3.5 mm, length 0.4–0.8 times sepals. Flowers: sepals 3–4 mm; corolla bilaterally symmetric, lobes reflexed, adaxials 2.4–3 mm, laterals asymmetric, base cordate; stamens 4, connective elongated, apex acute. Seeds 2, 2.8–3.2 mm. 2n = 20.
Phenology: Flowering summer.
Habitat: Sandy and gravelly soils, roadsides.
Elevation: 0–1000(–1300) m.
Distribution
Ala., Ariz., Ark., Fla., Ga., Kans., Ky., La., Md., Miss., N.Mex., N.C., Okla., S.C., Tenn., Tex., Va., W.Va., Mexico (Chihuahua, Durango).
Discussion
Selected References
None.