osage-orange Moraceae Maclura
pomifera (Raf.) C.K. Schneid. symbol: MAPO
|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.
Looks like: red mulberry
- white mulberry
- gum bumelia
| Additional Range Information:
Maclura pomifera is native to North America.
Range may be expanded by planting.
See states reporting osage-orange.
Fall Color Wood
| External Links:
Silvics of North America
USDA Plants Database
|© Copyright 2015, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson