|Leaf: Alternate, simple, 6 to 10 inches long and wide, heart-shaped or with 3 shallow, maple-like lobes, long petiole, green above and below, red conspicuous glands at the base of the leaf.
Flower: Species is monoecious; showy, 5 white petals with streaks of red or purple in the throat, several inches across when open, appear before or with the leaves in loose, terminal clusters.
Fruit: Hard, woody, pear-shaped drupe, 1 1/2 to 3 inches across, containing usually 4 to 5 large, oily seeds, initially green but ripening to a purple-brown in late summer to early fall.
Twig: Dark gray-brown, numerous reddish lenticels, circular leaf scars.
Bark: Smooth and thin, brownish gray developing very shallow, reddish brown furrows.
Form: A small tree up to 30 feet tall with a spreading round crown.
Looks like: northern catalpa
- southern catalpa
- dragon tree
- royal paulownia