General: Perennial semi-aquatic herb from a thick rhizome, this covered with old leaf bases; stems prostrate or ascending, glabrous, 15-40 cm long/tall.
Leaves: Basal leaves alternate, divided into 3 elliptic leaflets, these short-stalked, coarsely toothed, 1-5 cm wide, glabrous, the leaf stalks 10-30 cm long, crowded near the base of the flowering stem; stem leaves lacking.
Flowers: Inflorescence of many flowers in simple or compound, terminal clusters on naked stalks 5-30 cm long; corollas white, purple-tinged, scaly-haired on the inner surface, 5-6 lobed, the lobes 5-7 mm long; calyces 3-5 mm long, cleft nearly to the base into 5 lobes.
A very shade-intolerant, submontane to subalpine, circumpolar forb; (transcontinental in North America). Occurs on wet to very wet, nitrogen-medium soils within boreal. wet temperate, and cool mesothermal climates. Often dominant in aquatic communities along freshwater lakes; occasional on water-collecting sites. Characteristic of wetlands.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2017. 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:
18/02/2019 2:44:25 AM
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