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Ayenia

From Wikipedia, the free encyclopedia
(Redirected from Byttneria)

Ayenia
Ayenia compacta
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Subfamily: Byttnerioideae
Tribe: Byttnerieae
Genus: Ayenia
L.[1]
Species[2]

217; See text

Synonyms[2]
  • Buettneria L.
  • Byttneria Loefl.
  • Chaetaea Jacq.
  • Cybiostigma Turcz.
  • Dayena Adans.
  • Dayena Monier ex Mill.
  • Heterophyllum Bojer ex Hook.
  • Lorentzia Hieron.
  • Nephropetalum B.L.Rob. & Greenm.
  • Pentaceros G.Mey.
  • Rayleya Cristóbal
  • Telfairia F.Newman ex Hook.
  • Watsonia Boehm.

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]

Description

[edit]

Ayenia includes subshrubs, shrubs, small trees, and lianas. The genus is distinguished by its tiny yet extraordinarily complex flowers.[3]

Taxonomy

[edit]

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.[4]

Species

[edit]

217 species are currently accepted.[2]

In addition, the following fossil species have been described:

Ecology

[edit]

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.[6]

References

[edit]
  1. ↑ "Taxon: Ayenia L." Germplasm Resources Information Network. United States Department of Agriculture. 2003-06-05. Retrieved 2011-02-20.
  2. 1 2 3 4 5 Ayenia L. Plants of the World Online. Retrieved 9 January 2024.
  3. 1 2 3 4 Whitlock, B. A., & Hale, A. M. (2011). The phylogeny of Ayenia, Byttneria, and Rayleya (Malvaceae s.l.) and its implications for the evolution of growth forms. Systematic Botany, 36(1), 129-136.
  4. ↑ Dorr, L.J. 2023. New combinations in Ayenia (Malvaceae, Byttnerioideae) for the flora of Ecuador. Phytoneuron 2023-04: 1– 5. Published 17 February 2023. ISSN 2153-733X
  5. ↑ Wu, X., Beurel, S., Bachelier, J. B., von Balthazar, M., Hammel, J. U., Sadowski, E. M., & Shi, G. (2026). Fossil flowers of Ayenia (Malvaceae) preserved in amber: evidence for lianas in Miocene rainforest of southeast China. Annals of Botany, mcag220.
  6. ↑ Clark, W. 1989. Lonchophorellus Clark, un nuevo género de Anthomini neotropical (Coleoptera: Curculionidae). Archived 2016-03-11 at the Wayback Machine The Coleopterists Bulletin v. 43, no. 3 p. 279-289.
[edit]
  • Wikispecies logo Data related to Ayenia at Wikispecies
  • Wikimedia Commons logo Media related to Ayenia at Wikimedia Commons
  • Jepson Manual Treatment
  • USDA Plants Profile
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