1、 Spadix rachis flat, margin with bract - like appendages; flowers small, monoecious, in 2 series on rachis, apetalous.
肉穗花序轴扁平, 边缘有苞片状附属物; 花小, 单性,雌雄同株, 呈2列排列于花序轴上, 无花被.
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2、 A gut is present and most of these flukes are monoecious.
肠道存在,这些吸虫的大多数是雌雄同体的.
来源:互联网
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