The Jamaican tangelo, also known by proprietary names ugli // fruit, uglifruit, and uniq fruit, is a citrus fruit that arose on the island of Jamaica through the natural hybridization of a tangerine or orange with a grapefruit (or pomelo), and is thus a tangelo.
C. reticulata × paradisi
|Citrus reticulata × paradisi|
This tangelo was a natural hybrid, having arisen spontaneously like the grapefruit, in Jamaica, where it is mainly grown today. 'UGLI' is a registered trademark of Cabel Hall Citrus Limited, under which it markets the fruit, the name being a variation of the word "ugly", which refers to the fruit's unsightly appearance, with rough, wrinkled, greenish-yellow rind, wrapped loosely around the orange pulpy citrus inside.
The light-green surface blemishes turn orange when the fruit is at its peak ripeness. The Jamaican tangelo is usually slightly larger than a grapefruit (but this varies) and has fewer seeds. The flesh is very juicy and tends towards the sweet side of the tangerine rather than the bitter side of its grapefruit lineage, with a fragrant rind.
The taste is often described as sourer than an orange and less bitter than a grapefruit, however, and is more commonly guessed to be a lemon–tangerine hybrid. The fruit is seasonal from December to April. It is distributed in Europe and the United States between November and April, and is on occasion available from July to September.
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