white clematis Ranunculaceae Clematis
Leaf: Opposite, deciduous, pinnately compound with 5-7 leaflets; individual leaflets oval to cordate with entire margins, lobed or not, entire or toothed.
Flower: Species is usually dioecious; showy, white with 4-5 sepals but no petals, borne on branching panicles, present for much of the summer.
Fruit: Small dry brown seeds with a long white feathery plume, borne in thin dandelion-like heads, can be nearly as showy as the flowers.
Twig: Initially green, and changing to brown, numerous ridges, wiry, climbs by twining.
Bark: Initially smooth and light brown, later developing long splits and shreddy long strips.
Form: A climbing vine that can completely overtake its supporting stucture in a dense tangle, to 50 feet.