Annual herb from a taproot; stems prostrate to erect, several, branched, more or less glandular-hairy, yellowish-green, 10-60 cm tall/long.
Basal leaves few, soon deciduous; stem leaves in whorls of 6, narrowly linear, channelled beneath, 1.5-5 cm long, less than 1 mm wide, 1-nerved; stipules small, deciduous.
Inflorescence of numerous and usually terminal flowers on branched clusters; petals 5, white, egg-shaped, 3-6 mm long; sepals 5, greenish, egg-shaped, 2-5 mm long, glandular-hairy.
Capsules egg-shaped, 2.5-6 mm long, 5-valved; seeds black, plump, 1.2-1.5 mm long, minutely roughened.
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:
Spergula arvensis subsp. arvensis L. [superfluous autonym]
Spergula arvensis subsp. sativa (Boenn.) Celak.
Spergula arvensis var. sativa (Boenn.) Mert. & Koch
Spergula sativa Boenn.