Size: vine, 20-30' average span at maturity
Leaves: deciduous, alternate, approximately 1' long and wide, simple, heart- or kidney-shaped, sometimes abruptly acuminate or rounded, margins entire, dark green, glaucous above, pale green, pubescent below when young
Twigs: leaf scars narrow, black, u-shaped, 3 distinct bundle scars
Flowers: monoecious or dioecious, pipe-shaped flowers, up to 1.5" long, .75" wide, yellow, green, and purple-brown
Fruit: capsule with 6 ribs, up to 3"
Bark: greenish
