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

• Generated Map
• Legacy Map

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.

Lower Taxa

None.