General: Perennial herb from a creeping rhizome; stems erect or ascending, many, simple or few-branched, short-bearded below the nodes, angled, smooth, 20-80 cm tall.
Leaves: Basal leaves soon deciduous; stem leaves in whorls of 4, lanceolate to linear with rounded tips, 1.5-4.5 cm long, smooth or roughened below on the veins, 3-veined, often bearing axillary branches with smaller leaves, unstalked.
Flowers: Inflorescence of numerous, stalked, terminal flowers on branchlets in the upper axils, the flowers both male and female on separate plants; corollas creamy-white, saucer-shaped, 3.5-7 mm wide, 4-lobed; calyces obsolete.
Fruits: Nutlets, 2, 1.8-2.0 mm long, with numerous, short, straight or curled hairs or rarely smooth.
Moist to dry meadows, grasslands, shrublands, rocky slopes, open forests and shorelines from the lowland to upper subalpine zones; common throughout BC except absent on the Queen Charlotte Islands and the north coast; circumpolar, N to AK, YT and NT, E to PQ, NS and NB and S to DE, OH, MO, TX and CA; Eurasia.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2020-07-11 11:49:51 AM
The information contained in the E-Flora atlas pages is derived from expert
sources as cited in each section. This information is scientifically based.
E-Flora also acts as a portal to other sites via deep links. As
always, users should refer to the original sources for complete information.
E-Flora BC is not responsible for the accuracy or completeness of the