General:
Perennial herb from a slender rhizome; stems single, 20-80 cm tall, 4-angled, glabrous or sparsely hairy with ascending to upcurled hairs, not glandular.

Leaves:
Usually only stem leaves, opposite, narrowly egg-shaped to egg-shaped, 3-8 cm long, 1.5-5 cm wide, thin, pinnately veined, tips pointed, bases broadly rounded or slightly lobed, mostly glabrous; a few hairs along the main veins beneath, margins toothed; stalks 0.5-2.5 cm long.

Flowers:
Inflorescence of 2-12 cm long racemes, in leaf axils or at the ends of branches; bracts to 8 mm long; corollas tubular, blue, 6-8 mm long, 2-lipped, the upper lip entire, shorter than lower and hood-like, the lower lip 3-lobed, with inner surface glabrous or sparsely soft-hairy; calyces 1.5-2.5 mm long, 2-lipped, upper lip with a scooped-out ridge across the back.

Fruits:
Nutlets, 4 clustered together, almost spherical, brown.

Source:  The Illustrated Flora of British Columbia

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