10 individuals spotted on this bluff prairie
What a gorgeous tree.
Trunk thorns up to 7 cm long, compound. Branch thorns 3 cm long. Leaves probably not fully grown, but largest are up to 8x4 cm, petioles with thin wings, no glands on petioles found. Twigs look to be uniformly gray in color. Sepals with glands?
Winter buds: https://www.inaturalist.org/observations/72182213