An '''orange'''—specifically, the '''sweet orange'''—is the [[citrus]] fruit ''Citrus sinensis'' ([[Synonymy|syn.]] ''Citrus aurantium'' [[Carl Linnaeus|L.]] [[var.]] ''dulcis'' [[Carl Linnaeus|L.]], or ''Citrus aurantium'' [[Antoine Risso|Risso]]) and its [[fruit]]. The orange is a [[Hybrid (biology)|hybrid]] of ancient cultivated origin, possibly between [[pomelo]] (''Citrus maxima'') and [[tangerine]] (''Citrus reticulata''). It is a small [[Flowering plant| flowering]] [[tree]] growing to about 10 [[metres|m]] tall with [[evergreen]] [[leaf|leaves]], which are arranged alternately, of ovate shape with crenulate margins and 4–10 [[centimetre|cm]] long. The orange [[fruit]] is a [[hesperidium]], a type of [[berry]]. | An '''orange'''—specifically, the '''sweet orange'''—is the [[citrus]] fruit ''Citrus sinensis'' ([[Synonymy|syn.]] ''Citrus aurantium'' [[Carl Linnaeus|L.]] [[var.]] ''dulcis'' [[Carl Linnaeus|L.]], or ''Citrus aurantium'' [[Antoine Risso|Risso]]) and its [[fruit]]. The orange is a [[Hybrid (biology)|hybrid]] of ancient cultivated origin, possibly between [[pomelo]] (''Citrus maxima'') and [[tangerine]] (''Citrus reticulata''). It is a small [[Flowering plant| flowering]] [[tree]] growing to about 10 [[metres|m]] tall with [[evergreen]] [[leaf|leaves]], which are arranged alternately, of ovate shape with crenulate margins and 4–10 [[centimetre|cm]] long. The orange [[fruit]] is a [[hesperidium]], a type of [[berry]]. |