Citrus paradisi Macf.
Grapefruits and their hybrids
January – April
The Star Ruby grapefruit was obtained in 1959 as part of a grapefruit breeding program in Texas (USA). It was produced by irradiation of a seed of the old Hudson variety. The result was a grapefruit with much better pigmentation, both externally and internally. As in other grapefruits, the red coloration is due to the presence of lycopenes.
TREE AND FRUIT DESCRIPTION:
The tree is not very vigorous, slow growing and compact. Spherical fruits, slightly oblate, of medium size among grapefruits. Smooth, very thin rind, which acquires a certain reddish color in warmer climates. Red flesh, juicy, with a mild bitterness and a touch of acidity. High quality juice. Virtually seedless.
It is used both for fresh consumption and for juice production, even at industrial level. It is the world reference among pigmented grapefruits.