南瓜,一年生蔓生草本植(zhi)物,莖常節部生根,葉(xie)柄粗(cu)壯(zhuang),葉(xie)片(pian)寬卵(luan)形(xing)(xing)或卵(luan)圓形(xing)(xing),質稍(shao)柔(rou)軟(ruan),葉(xie)脈隆(long)起,卷須稍(shao)粗(cu)壯(zhuang),雌雄(xiong)同株,果梗粗(cu)壯(zhuang),有棱和槽(cao),因品種而(er)異,外面常有數條縱溝或無,種子(zi)多數,長(chang)卵(luan)形(xing)(xing)或長(chang)圓形(xing)(xing)。