Oklahoma State Tree
Leaf: Alternate, simple, cordate in shape with an entire margin, 3 to 5 inches long and wide. The leaves are thin and papery, and may be slightly hairy below.
Flower: Very showy, light to dark pink in color, 1/2 inch long, appearing in clusters in March to May, before the leaves.
Fruit: Fruits are flattened, dry, brown, pea-like pods, 2 to 4 inches long that contain flat, elliptical, brown seeds 1/4 inch long. Maturing in July to August.
Twig: Slender and zigzag, nearly black in color, spotted with lighter lenticels. Winter buds are tiny, rounded and dark red to chestnut in color.
Bark: Smooth, later scaly with ridges somewhat apparent. Dark in color. May have some maroon patches evident.
Form: A large shrub or small tree with a short, often twisted trunk and spreading
Photos courtesy: Michael Aust, John Baitey, Ctaude L. Brown, Bruce Bongarten,
Susan D. Day, Edward C. Jensen, Richard E. Kreh, Larry H. McCormick, Alex X.
Niemiera, John A. Peterson, Oana Popescu, John R. Seiter, David W. Smith, Kim
C. Steiner, James E. Ward, Rodney E. Will, Shepard M. Zedaker.
Text written by: John R. Seiter, Edward C. Jensen, Or John A. Peterson