関連ワード:  is rose flower unisexual or bisexual    is rose flower unisexual    is rose plant unisexual or bisexual    is marigold flower unisexual or bisexual    is sunflower unisexual flower    is marigold unisexual flower    is rose unisexual plant    is china rose unisexual flower    rose is a unisexual flower true or false    is rose and jasmine unisexual flower