General:
Annual or short-lived perennial herb from well-developed taproot; stems erect, solitary, freely branched, hairy, 10-50 cm tall.
Leaves:
Basal leaves linear, soon deciduous; stem leaves linear or linear-lanceolate, opposite, stiff-hairy, entire or occasionally slightly toothed, 2-8 cm long, 1-3 mm wide, with several smaller, linear, axillary leaves at each internode.
Flowers:
Inflorescence of dense bracteate, axillary spikes 0.5-1.5 cm long on stalks 2-8 cm long; corollas 4-lobed, the lobes egg-shaped, reflexed, 1.5-2 mm long; bracts wide, rounded, papery-margined, lowermost leaf-like; stamens conspicuous.
Fruits:
Capsules, broadly-ellipsoid, 3-3.5 mm long; seeds 2, narrowly elliptic, shiny, brown, 2.0-2.5 mm long.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Synonyms and Alternate Names:
Plantago arenaria Waldst. & Kit.
Plantago indica L.
Plantago scabra Moench