akene
An akene, or achene, is a type of simple dry fruit produced by flowering plants. It is indehiscent, meaning it does not split open at maturity to release the seed. Achenes typically contain a single seed, and the seed is attached to the wall of the ovary (the pericarp) at one point by the funiculus, while the pericarp and seed coat remain distinct.
A key distinction is that an achene is a dry fruit with a single seed that does
Common examples include the seeds of sunflowers (Helianthus annuus), which are technically achenes; seeds of dandelions
Achenes are often dispersed by wind, animals, or water. Some species have adaptations such as a pappus