Many citrus trees can be propagated from seed, including clementines ... believed to be a cross between a mandarin and a sweet orange (as opposed to a bitter orange, also known as a Seville ...

Osage Orange (Maclura pomifera) is identifiable by its simple, glossy, ovate leaves, typically 2-5 inches long, which turn yellow in fall. The tree produces large, round, bumpy fruits, known as ...