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西瓜是葫芦科植物。本世纪五十年代,英国植物学杰弗里(Jeffrey.1962)基于植物发生学,生物化学和孢粉学方面的现代成就和进展,详细地研究了葫芦科Cucurbitaceae Juss的分类系统。 杰弗里把葫芦科分为两个亚科、9族、18亚族、103属。其中Cucurbitoideae亚科拥有8族、85属。西瓜属(Citrullus)属于Benincaseae Ser族,Benincasinae亚族,该亚族除西瓜属外,还包括有11属,如Binncasa,Bryonia,Ecballium,Acanthosicyos,praecitrullus,DiPlocyclos,Lagenaria,Coccinia等。
Watermelon is a cucurbitaceous plant. In the 1950s, British botanist Jeffrey (1962) studied the taxonomic system of Cucurbitaceae Juss in detail based on the modern achievements and advances in plant genetics, biochemistry and palynology. Geoffrey divided the Cucurbitaceae into two subfamilies, the 9th, the 18th, and the 103th. Among them, Cucurbitoideae subfamily has 8 genera and 85 genera. Citrullus belongs to the genus Benincaseae, which belongs to the Benincasinae subfamily. The subfamily includes 11 genera besides watermelon, such as Binncasa, Bryonia, Ecballium, Acanthosicyos, praecitrullus, DiPlocyclos, Lagenaria, Coccinia and so on.