General: Perennial herb from a slender, rhizome, seldom over 2 mm thick; stems erect, simple or branched above, glabrous below becoming hairy above, 15 to 80 cm tall.
Leaves: Basal leaves reduced and soon deciduous; stem leaves linear, unstalked with rounded bases, glabrous, entire or inconspicuously toothed, 2-7 cm long, 2-9 mm wide, becoming reduced above.
Flowers: Heads with ray and disk flowers, solitary (in reduced plants) to many in a short, usually broad inflorescence; involucres 5-7 mm tall; involucral bracts more or less graduated, oblong, abruptly sharp-pointed, glabrous, often with purplish tips or margins; ray flowers 20-50, white or rarely pale bluish, 12-20 mm; disk flowers yellow.
Marshes, bogs, fens and lakesides from the lowland to subalpine zones; common in S BC, less frequent northward; N to AK, YT and NT, E to PQ, PE and NS and S to NJ, MN, SD, CO, ID and OR
The table below shows the species-specific information calculated from original data (BEC database) provided by the BC Ministry of Forests and Range. (Updated August, 2013)
