Prof. of Zoology: Kiss is the interchange of unisexual salivary bacteria.

动物学教授 接吻 是雌雄异体的唾液细菌交换.

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Carya cathayensis has unisexual flowers born on the same tree.

山核桃为单性花,雌雄同株.

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A submersed Old World Plant ( Hydrilla verticillata ) having whorled , lance - shaped leaves and unisexual, solitary, axillary flowers.

软水草一种生在水中的东半球植物 ( 黑藻黑藻属 ),叶片呈螺纹形、矛 状, 雌雄异株, 花为单生 、 腋生.

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The flower is bisexual, rare unisexual, majority is radiation semmetry, also have or so semmetry.

花两性, 稀单性, 多数为辐射对称, 亦有左右对称.

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