Commonly this family is called the orchid family: scientifically, the family is called Orchidaceae.

一般称为兰花花系，科学上称为兰花科。

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Bilateral flowers evolved, e. G. Those of the pea family (fabaceae) and orchids (orchidaceae).

左右对称花类植物发生多样化进化，如豆科植物(豆科)和兰科植物(兰科)。

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