syncarpous

例句：

1. 1.The tree is syncarpous, with leaves and fruit on the same branch.
   这棵树是合生的，叶子和果实在同一枝条上。
2. 2.The syncarpous nature of this plant makes it difficult to cultivate.
   这种植物的合生性质使得它难以栽培。
3. 3.Syncarpous flowers are unique in their ability to produce both seeds and pollen.
   合生花具有产生种子和花粉的独特能力。