key fruit
Học thuậtThân thiện
Definition
Noun A dry, indehiscent fruit with a wing-like structure that aids in wind dispersal. This type of fruit is typically single-seeded and is characteristic of trees such as the ash, elm, and maple.
Usage
The term "key fruit" is a specific botanical term used to describe a particular fruit morphology. It is most commonly used in scientific, horticultural, or educational contexts when discussing plant biology and seed dispersal mechanisms. * The maple tree produces a distinctive key fruit that spins like a helicopter as it falls. * Botanists study the shape of the key fruit to help identify different species of ash trees.
Advanced Usage
- The term is synonymous with samara, which is the more precise technical term in botany.
- The design of the key fruit is an evolutionary adaptation for anemochory (wind dispersal).
Variants and Related Words
- Samara (n): The formal botanical term for a key fruit.
- Winged fruit (n): A more general, descriptive term for this fruit type.
Synonyms
- Samara
- Winged fruit
Related Phrases/Idioms
- To key (verb, in a different context): This is a separate verb meaning to enter data or align something. It is not related to the noun "key fruit."
- She will key in the information later.
Noun
- a winged often one-seed indehiscent fruit as of the ash or elm or maple