Annual herb from a short taproot; stems solitary, simple or branched, 3-30 cm tall.
Basal leaves forming a conspicuous rosette, egg-shaped, 5-25 mm long, rounded at the tip; stem leaves narrower and abruptly pointed.
Inflorescence of a few flowers on stalks much shorter than the calyces; corollas white to deep pink, 1.2-1.4 cm long; calyces 6-8 mm long but shorter than the corolla tubes, deeply lobed, the lobes 3-4 mm long; anthers 1.5-2 mm long and coiling slightly after opening.
Capsules, slender, 12-16 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:
Centaurium floribundum (Benth.) B.L. Rob.
Centaurium muehlenbergii (Griseb.) W. Wight ex Piper