General: Annual herb from a taproot; stems sprawling to erect, simple or branched, solitary, hairy, 15-60 cm tall/long.
Leaves: Basal leaves few, reduced, soon deciduous; stem leaves narrowly egg-shaped to elliptic, 1-9 cm long, slender-stalked, entire.
Flowers: Inflorescence of small axillary clusters from midstem to stem tip; corollas lacking; calyces dark reddish brown, erect, 1.5-2 mm long, 4-lobed, the lobes abruptly pointed; involucral bracts 3-4, 2-4 mm long, subtending the calyces.
Fruits: Achenes, brownish, smooth, shining, about 1 mm long.
Moist to mesic shaded areas and disturbed sites in the steppe and montane zones; infrequent in SC BC and rare in NE (Liard Hot Springs) and SW (Sumas Mountain) BC; E to PQ and ME, NH, NY, PA, NC, FL, MS, LA, TX, NM, AZ, CA, and MX.
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)
