Annona
Annona
Annona (/əˈnoʊnə/; from Taíno annon) is a genus of flowering plants in the pawpaw/sugar apple family, Annonaceae. It is the second largest genus in the family after Guatteria, containing approximately 166 species of mostly neotropical and afrotropical trees and shrubs.
Etymology
The generic name Annona, from the Taíno word for the fruit, was first used by Carl Linnaeus in 1753. The name was taken from Annona, the Latin word for a yearly produce, thereby implying that the fruits of this genus are produced throughout the year.
Description
The species are generally trees or shrubs that are evergreen or deciduous, with some being climbers. The leaves are alternate and simple, with a smooth margin. The flowers are usually solitary or in small clusters, and are axillary or borne on leafless stems. The fruit is a compound fruit, formed from several carpels that are coalescent at maturity.
Species
Some of the more well-known species of Annona include:
- Annona cherimola (Cherimoya)
- Annona muricata (Soursop)
- Annona squamosa (Sugar-apple)
- Annona reticulata (Custard-apple)
Uses
Many species of Annona are grown for their fruit, while others are used in traditional medicine or for their timber. The wood of some species is used for making furniture and utensils, and some are grown as ornamental plants.
Related Terms
- Annonaceae: The family to which Annona belongs.
- Carpel: The female reproductive organ of a flower, a unit of the gynoecium.
- Compound fruit: A fruit formed from several carpels that are coalescent at maturity.
External links
- Medical encyclopedia article on Annona
- Wikipedia's article - Annona
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