Inst. Rei Herb. 2: 331. 1766.
Perennials, sometimes woody; roots taproots, slender. Stems 100–400 mm, freely branched. Leaves cauline, opposite, 30–60 × 0.75–1 mm; blade linear to linear-lanceolate, margins entire, veins inconspicuous, surfaces hairy. Scapes 30–80 mm, hairy. Spikes greenish or brownish, 40–85 mm, densely flowered; bracts broadly ovate, 5–6 mm, lengths equal to sepals. Flowers: sepals 5–6 mm; corolla radially symmetric, lobes reflexed, 3–3.5 mm, base obtuse; stamens 4. Seeds 1 or 2, 2 mm. 2n = 12.
Phenology: Flowering summer–fall.
Habitat: Disturbed habitats.
Elevation: 0–200 m.
Introduced; Calif., s Europe
Plantago sempervirens is known from San Diego County; one specimen (JEPS) was collected in 2008 in Torrey Pines State Reserve.
Plantago cynops Linnaeus (1762, not 1753), a rejected name, has been misapplied to P. sempervirens.