Annual herb from a taproot; stems erect, 5-30 cm tall, slender, usually branched, glandular-hairy.
Alternate or some of the lower leaves opposite, linear-lanceolate to oblong, 10-25 mm long, entire, blunt-tipped, narrowed to a short stalk-like base, glandular-hairy.
Capsules, nearly globe-shaped, lopsided, about 5 mm long, opening by 2 large pores at the tip, hairy; seeds egg-shaped, longitudinally ridged.
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