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Perennial herb from short rhizome and long, leafy and rooting stolon; stems simple, 10-30 cm long/tall, somewhat hairy along 2 opposite sides, 4-angled.
Basal leaves in a rosette, egg-shaped or oblong, 4-7 cm long, entire to somewhat toothed, rounded at tip, becoming glabrous with age, often bronzy, gradually tapering to long stalk; stem leaves to many, opposite, shorter, more or less unstalked.
Inflorescence of 5 to 7 flowers in axillary whorls, forming a leafy, terminal spike; upper bracts of inflorescence shorter than flowers, somewhat blue-tinted, egg-shaped, entire; corollas tubular, blue or rarely pink or white, the tube exserted, the upper lip very short, the lower lip conspicuous, 3-lobed; calyces bell-shaped, 5-6 mm long, the teeth shorter than tube.
Nutlets, 4 clustered together, egg-shaped, net-veined.
Source: The Illustrated Flora of British Columbia