General: Perennial herbaceous vine; stems twining, rough, up to 10 m long.
Leaves: Opposite, heart-shaped at the base, stipulate, 3-5 lobed, strongly toothed, rough-hairy, 4-10 cm long.
Flowers: Inflorescence of unisexual axillary flowers; female flowers in cylindric spikes, greenish-yellow, 3-5 cm long, yellow-glandular especially at the base of the bracts; male flowers in panicles.
Ditches and disturbed areas in the lowland zone; infrequent in SW and SC BC, known only from the lower Fraser Valley and N Okanagan; introduced from Europe or elsewhere in North America.
