General:
Annual herb from a taproot; stems erect, solitary, simple, glandular-hairy, 30-150 cm tall.

Leaves:
Basal leaves elliptic to egg-shaped, 2.5-12 cm long, 1-5 cm wide, glandular-hairy, stalked; stem leaves similar, reduced and narrower upwards.

Flowers:
Inflorescence of numerous flowers in an elongate panicle; corollas dirty white or yellowish, tubular, the tubes 2-2.7 cm long, the limbs 4-8 mm tall, shallowly lobed; calyces 6-10 mm long, shortly 5-lobed.

Fruits:
Capsules, dry, dehiscent, egg-shaped, 8-12 mm long; seeds numerous, 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