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.
One factor within the crown of monoecious species is the proximity of male and female flowers.
雌雄同株树种的树冠内的一个因素,就是雄花和雌花很接近.
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.
Most species are monoecious - they have separate male and female cones on the same tree.
来自BBC