Perennial herb from a taproot surmounted by a frequently branched, largely underground stem-base; stems usually several, ascending to erect, 10-40 cm tall, minutely grey-hairy, sometimes also long-soft-hairy above and glandular-hairy in the inflorescence.
Opposite, entire to remotely toothed; basal and lower leaves lanceolate to egg-shaped, stalked, to 13 cm long; upper leaves lanceolate to oblong, nearly unstalked, 3-7 cm long.
Inflorescence a terminal cluster of several whorls of stalked flowers, the stalks glandular-hairy; corollas tubular, flaring at the mouth, (1.5) 2-4 cm long, pale lavender to blue-purple, lines of deeper colour within, strongly 2-lipped, the upper lip 2-lobed, the lower lip 3-lobed, longer than the upper, strongly bearded in the throat; calyces 7-13 mm long, 5-lobed, the lobes lanceolate, long-tapering to a sharp tip, sticky-hairy; fertile stamens 4, the anthers essentially smooth; sterile stamen exserted, coiled at the tip, long yellow-bearded most of its length.
Capsules, broadly oval, long-pointed, 6-12 mm long, glandular-hairy near the tip; seeds numerous, 2-3 mm long.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia