General:
Partially evergreen, woody vine or sprawling shrub, 1-6 m long/tall; twigs hollow, usually short-hairy, glaucous when young.

Leaves:
Opposite, on stalks 3-5 mm long, some with paired, fused stipules between the leaf stalks, oblong to egg-shaped, 2-8 cm long, 1.5-5 cm wide, often somewhat heart-shaped at the base, obtuse at the tip, usually stiffly hairy, sometimes glabrous, glaucous beneath; upper pairs joined to form disks around the stem.

Flowers:
Inflorescence of stalked and clustered flowers in compact whorls forming short, interrupted spikes terminal and axillary on long stalks that are glabrous to glandular hairy; corollas whitish, pink, or yellowish, sometimes purplish, 12-20 mm long, tubular below, the tubes bulging on one side above the base 2-lipped above, the upper lips 4-lobed, the lobes recoiled, lips as long as or longer than the tubes.

Fruits:
Berries, red, 0.8-1 cm thick, several-seeded.

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