osage-orange Moraceae Maclura pomifera
Leaf:Alternate, simple, pinnately veined, 2 to 5 inches long, oblong to ovate with an acuminate tip, margins entire, upper surface shiny.
Flower:Species is dioecious; females are borne in dense, round, clusters; males borne in subglobose racemes; neither showy, appearing late spring to early summer.
Fruit:A large, round multiple of drupes 4 to 5 inches in diameter, with a very distinctive citrus smell; the outer surface looks like "brains"; when crushed, a white, milky juice is exuded, maturing in early fall.
Twig:Moderately slender, zigzag, green changing to buff or orange-brown. Twigs are armed with stout, unbranched thorns at each leaf scar. A milky sap is exuded when cut.
Bark:Orange-brown, developing scaly ridges with irregular furrows.
Form:A medium sized tree with a short trunk. The crown is irregular, with stiff, spiny branches.