南瓜,一年生(sheng)蔓生(sheng)草本(ben)植物,莖常(chang)節(jie)部(bu)生(sheng)根,葉柄粗壯(zhuang),葉片(pian)寬卵(luan)形(xing)(xing)或(huo)(huo)卵(luan)圓(yuan)形(xing)(xing),質稍柔軟,葉脈隆起,卷須稍粗壯(zhuang),雌雄(xiong)同(tong)株,果梗粗壯(zhuang),有棱和槽,因(yin)品種而異,外面常(chang)有數(shu)條縱溝或(huo)(huo)無,種子多數(shu),長(chang)卵(luan)形(xing)(xing)或(huo)(huo)長(chang)圓(yuan)形(xing)(xing)。