Which of the following characteristics describes Purslane?

Purslane is characterized by its succulent leaves and stems, which are thick and fleshy, allowing the plant to store water. This adaptation is particularly beneficial for surviving in arid environments, as succulents can retain moisture that is crucial for their survival.

While other characteristics like heart-shaped leaves or producing small white flowers may pertain to different plant species, they do not accurately describe Purslane. Additionally, Purslane is known for its creeping growth habit, spreading along the ground rather than growing upright, further distinguishing it from the provided options. Therefore, the defining trait of Purslane is indeed its succulent leaves and stems, which are integral to its identity and survival strategy.