vertical anther

例句：

1. 1. Theplant's flowers are arranged in a vertical pattern on the stem.
   这种植物的花在茎上呈垂直排列。
2. 2.The study of plant reproduction has led to new understanding of how flowers produce their own pollen.
   对植物繁殖的研究已经揭示了花朵如何产生自己的花粉的新理解。
3. 3. In some species, the vertical anther is used for pollination by insects.
   在某些物种中，垂直雄蕊被昆虫用于授粉。