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Genus of flowering plants From Wikipedia, the free encyclopedia
Ayenia is a genus of flowering plants in the mallow family, Malvaceae. It includes 216 species[2] of subshrubs, shrubs, small trees, and lianas.[3] They are native to the tropical Americas and southwestern United States, tropical Africa, and tropical Asia.[2]
| Ayenia | |
|---|---|
| |
| Ayenia compacta | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Malvaceae |
| Subfamily: | Byttnerioideae |
| Tribe: | Byttnerieae |
| Genus: | Ayenia L. (1756)[1] |
| Species[2] | |
|
217; See text | |
| Synonyms[2] | |
| |
Ayenia includes subshrubs, shrubs, small trees, and lianas. The genus is distinguished by its tiny yet extraordinarily complex flowers.[3]
Species of Ayenia grow in diverse habitats, from open areas in dry and seasonally-dry regions to humid forests, river banks, and from lowlands to high elevations.[3]
Byttneria species are host plants to insects such as beetles of the genus Lonchophorellus.[4]
Ayenia, Byttneria, and Rayleya were formerly described as separate genera, with Ayenia having a Neotropical distribution, Byttneria as a Pantropical genus, and Rayleya as a monotypic genus with a single Brazilian species, Rayleya bahiensis. A phylogenetic analysis found that Byttneria was paraphyletic and Ayenia was nested within it, and Rayleya was a sister clade to the others.[3] In 2018 Christenhusz and Byng transferred the Byttneria and Rayleya names to Ayenia, which had nomenclatural priority.[5]
217 species are currently accepted.[2] Selected species include:
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