Plants can indeed grow and thrive without a functional reproductive system. In many cases, plants can be propagated through asexual means, such as vegetative propagation, where new plants are grown from parts of the parent plant without the need for sexual reproduction. Here are a few examples:

Vegetative Propagation: Plants can be propagated through methods like cutting, layering, division, and grafting. In these processes, new plants are grown from stems, leaves, roots, or other plant parts without the involvement of flowers, seeds, or sexual reproduction.

Cloning: Cloning involves creating genetically identical copies of a plant. This can be done through methods like tissue culture, where plant cells are grown in a laboratory to develop into new plants.

Bulb Division: Certain plants like tulips and daffodils can be propagated by dividing bulbs. Each section of the bulb can grow into a new plant with its own root system.

Rhizome Division: Plants with rhizomes, such as irises and bamboo, can be divided into sections, each of which can grow into a new plant.

Runners and Stolons: Plants like strawberries produce runners (stems that grow along the ground) or stolons (horizontal stems) that can form new plantlets, allowing for asexual reproduction.

While sexual reproduction is essential for genetic diversity and adaptation in plants, many plants have evolved mechanisms for asexual reproduction that allow them to propagate and grow successfully without relying on a functional reproductive system.