An Ugli fruit is a cross between a grapefruit an a tangerene. Please see the related link below for more information.
It's called an "orangelo," a cross between orange and pomelo, the original name for grapefruit. They are sweeter and easier to peel than grapefruits.
The Meyer lemon or lemanderin.
Dragon Citrus
mandelo
A hybrid between a grapefruit and either a tangerine or a mandarin orange is called a 'tangelo.'
Trangelo is a citrusfruit hybrid of mandarin orange and pomelo or grapefruit
A tangelo is a type of citrus fruit, in this particular case a hybrid between a grapefruit and a mandarin orange. The fruit is juicy and sweet but has the slight tangy undertone of the grapefruit.
a hybrid of a tangerine and a pomelo, or grapefruit
A tangelo is made of a cross between a grapefruit/orange crossed with a mandarin orange.
A Pampelmoose is a cross between a mandarin and a grapefruit best eaten when it is very orange in colour. Lovely yum
Ugli is a citrus hybrid between grapefruit and tangerine that grows in Jamaica.
tangelo
Ugli fruit is a citrus fruit grown in Jamaica. It's a hybrid between grapefruit, orange and tangerine
The tangelo comes from the combination or hybrid of the tangerine and a grapefruit. The grapefruit is also called a pomelo.
Rangpur Myer lemon is thought to be a natural cross between a lemon and either a mandarine, tangelo, or orange.
Lemon