Plantago argyrea
Bull. Torrey Bot. Club 27: 111. 1900.
Annuals; roots taproots, slender. Stems 0–20 mm. Leaves 45–140 × 1.5–4 mm; blade linear, margins entire, veins conspicuous or not, surfaces sericeous, rarely lanate. Scapes 300–1300 mm, hairy, hairs antrorse, long and short. Spikes greenish or brownish, 70–200 mm, densely or loosely flowered, flowers in whorls or pairs; bracts ovate, 1.5–2 mm, length 0.4–0.7 times sepals, apex acute. Flowers: sepals 2.6–3.3 mm; corolla bilaterally symmetric, lobes reflexed, 1.7–2.6 mm, base cordate; stamens 4, connective slightly elongated, apex obtuse. Seeds 2, 2.3–2.8 mm.
Phenology: Flowering summer–fall.
Habitat: Clearings in forests.
Elevation: 700–2900 m.
Distribution
Ariz., N.Mex., Mexico (Baja California), Mexico (Chihuahua)
Discussion
Selected References
None.
Lower Taxa
"-0.7timessepals" is not declared as a valid unit of measurement for this property.