Severinia buxifolia

Severinia buxifolia
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Sapindales
Family:	Rutaceae
Subfamily:	Aurantioideae
Tribe:	Citreae
Genus:	Severinia
Species:	S. buxifolia
Binomial name
Severinia buxifolia

Severinia buxifolia is a species of plant related to Citrus, Fortunella, and Citropsis. Its common names include Chinese box-orange,box orange or boxthorn. It is native to southern China. It produces small black berries that resemble black currants. The fruits are eaten by birds that disperse its seeds. It is an evergreen in the wild.

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Wikipedia