Aristolochia macrophylla, Dutchman's Pipe

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