nectary
/'nektəri/
Học thuậtThân thiện
Definition
- Noun:
- A nectar-secreting gland in a flower: A nectary is a specialized plant structure, often appearing as a small bump, pit, or hollow, that produces and secretes the sugary fluid known as nectar.
Usage
- The primary function of a nectary is to attract pollinators like bees, butterflies, and hummingbirds to the flower.
- Nectaries can be located in various parts of a flower, such as at the base of the petals or within the floral tube.
Examples
Advanced Usage
- Extrafloral nectary: A nectar-secreting gland located on a part of the plant other than the flower, such as on leaves or stems, often to attract ants or other insects that defend the plant from herbivores.
- The acacia tree uses its extrafloral nectaries to recruit guardian ants.
Variants and Related Words
- Nectar (n): The sweet liquid secreted by a nectary, which is the primary food source for many pollinators.
- The hummingbird fed on the flower's nectar.
Synonyms
- Honey gland: An alternative, less common term for a nectar-secreting gland.
Noun
- a gland (often a protuberance or depression) that secretes nectar