Adnation in plants is the "union of unlike parts; organically united or fused with another dissimilar part, e.g.

1. Adnation occurs when stamens are fused to petals in some flowers.
   當雄蕊與花瓣在一些花中融合時，就發(fā)生了合生現(xiàn)象。
2. In botany, adnation refers to the fusion of different floral organs.
   在植物學中，合生是指不同花部器官的融合。