Leaves generally more than 2; perianth segments not reflexed.
2
在花托上着生花被片、雄蕊群和雌蕊。
Flower: There are perianth, androecium and gynoecia on receptacle.
3
四种荞麦的花被片脉迹数目是不同的。
The number of tepal trace is various on four kinds of fagopyrum.
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百科
花被片
花被片:tepal 当萼片(sepal)和花瓣(petal)长的很像而无法分辨的时候,我们将萼片和花瓣合称花被片(tepals)。“when ,as in this lily flower ,the sepals and petals look the same ,they are known as perianth segments,or tapals."(《Eyewitness Plant》by DK )