Rex Union Grapefruit Budwood

Citrus paradisi.

Discovered in about 1930 in South Africa. Not grown on a commercial scale. Few trees seen are not very vigorous and roundish in shape. Fruit is large, like grapefruit, and roundish in shape; the external color is a reddish-orange. This cultivar makes top quality marmalade; it is not eaten as fresh fruit. Excellent marmalade is easy to make because there are few seeds and it is not necessary to peel the fruit, but it is simply cut into pieces and boiled in a sugar and water mixture.

Rootstocks of accession: Carrizo citrange , Citrus macrophylla.

Season of ripeness in the Riverside climate and latitude: February to June.

Prepared by the Givaudan Citrus Variety Collection at The University of California Riverside.