General:
Deciduous woody vine, twining, trailing or climbing, sometimes to 6 m high, widely branching; twigs hollow, glabrous, glaucous when young.

Leaves:
Opposite, short-stalked to nearly stalked, elliptic to oval, 4-10 cm long, 2.5-5 cm wide, entire, rounded to pointed at tip, glabrous except for a fringe of long hairs along the edges, glaucous beneath; end pair on each flowering twig joined to form a disk around the stem below the inflorescence.

Flowers:
Inflorescence a tight, headlike cluster of flowers on very short stalks in what looks like a whorl, above the disk leaves at branch ends; corollas orange-yellow to red, 2.5-4 cm long, the tubes densely hairy within, bulging on one side at the base, 3-4 times as long as the weakly 2-lipped limbs; upper lips 4-lobed, lower lips narrow, 1-lobed.

Fruits:
Berries, clustered, to 1 cm thick, orange-red, translucent, 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