花朵中的各部位都是直接长在花托上的，如果花托的中部略微突起，将子房向上推，那萼片、花冠和雄蕊都长在子房之下，此种花就称「下位花」或称 「子房上位」，如杜鹃花。反之，如果子房下陷，全住都被花托包住，花的其他部位著生在其上，就称为「上位花」或称「子房下位」，如：苹果。
《被嫌弃的松子的一生》值得欣赏的地方很多，但是如果我是一个女性，花1800日元就为了被告知我需要知道自己在这个世界上位置的话，这部电影会让我很生气。
There is much to enjoy about Memories of Matsuko. But if I were a female moviegoer who had paid 1800 yen to be told that I need to know my place in this world, I would be mightily pissed off.
有上位的花被的子房顶部有花被的，如苹果花，黄瓜花或水仙花。
Having floral parts attached to or near the summit of the ovary, as in the flower of the apple, cucumber, or daffodil.
写花程式时，子房上位的表示方法是在心皮数下加一横线。
In a floral formula a superior ovary is denoted by a line below the carpel number.
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