The leaves of the Bottlebrush Buckeye are palmately compound with 5 to 7 leaflets, and the leaflets are typically 4″ to 8″ long and 1″ to 4″ wide. The margins are crenated to serrated, and the venation is pinnate. The underside is pubescent. They are usually a medium to dark green but turn buttery yellow in the fall. The leaf arrangement is opposite.
Twig and Bud Identification
The twigs of the Bottlebrush Buckeye are grayish-brown with raised lenticels. The leaf scars are heart-shaped. The buds are orangeish-brown with gray pubescence and have many scales.
The Bottlebrush Buckeye has smooth bark with lenticels.
The Bottlebrush Buckeye has smooth, pear-shaped capsules (buckeyes) that is covered with bright yellow husk. They ripen in fall but are not edible.
The flowers of the Bottlebrush Buckeye are white, bottlebrush-shaped clusters. They are 6″ to 24″ long panicles.