Does your tree have 5 to 14 leaflets or 11 to 23 leaflets?
5 to 14 leaflets
Tree has 5 to 14 leaflets; fruit husk in 4 to 6 parts; pith is not chambered. (The pith is the softer center part of a stem or twig.)
OR
11 to 23 leaflets
Tree has 11 to 23 leaflets; fruit is a nut covered by a fleshy shell without cracks or ribs; pith is chambered.