It is a kind of small fruit trees belonging to the Rutaceae family. It looks bushy or as a small evergreen tree, with dense branches, and sometimes small spines. The leaves are of an intense dark green, and the white and scented flowers, similar to those of the Citrus, originate in singles or in groups of gems. The fruit is round. Recommended maximum resistance to cold in a sheltered place: -12 ° / -13 ° C.