Plants don't have a single, dedicated organ for asexual reproduction. Instead, they use a variety of structures and methods for asexual reproduction, including:

* Stems: Some plants form new individuals from specialized stems, such as runners (strawberries), rhizomes (ginger), or bulbs (onions).

* Roots: Some plants produce adventitious buds on their roots, which can develop into new shoots and eventually independent plants (e.g., aspen trees).

* Leaves: Some plants can regenerate entire individuals from leaf fragments (e.g., succulents).

* Specialized Structures: Other plants use structures like stolons (horizontal stems that grow along the ground), tubers (underground stems that store food), or corms (short, thickened stems) for asexual reproduction.

So, rather than a specific organ, plants use a combination of modified structures for asexual reproduction depending on the plant species.