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vegetation
>
abnormality organ
具异常生长和结构的营养器官中,有一部分行使特殊功能,其形态结构相应发生显著变异,这种变异非病理或偶发的,而是该物种的正常遗传特性。这种现象称为变态,该器官称为
变态器官
。