what kind of tree is it? Honey. A very tall tree.

Sophora japonica (scientific name: Sophora japonica f.oligophylla) is a kind of Sophora japonica with only 1-2 pairs of compound leaves.

The compound leaves of this variety have only 1-2 pairs of leaflets, which gather at the top of leaf axis to form palmately divided, or only regularly palmately divided, and the lower part is often sparsely villous. Leaflets are 3 ~ 5 clusters, terminal leaflets are often 3-lobed, lateral leaflets often have large lobes at the lower part, and the back of leaves is hairy.