Indian plum noun4 •An Indian jujube (Ziziphus mauritiana), a fruit tree native to the Old World tropics. •Any member of the species Flacourtia jangomas, a rainforest tree in the willow family that is widely planted in Asia and Southeast Asia. •Governor's plum (Flacourtia indica), an Asian shrub often used as a living fence. •An osoberry, (Oemleria cerasiformis), a shrub in the rose family, native to the Pacific coast of North America. formsIndian plums