''Citrus undulata'', synonym ''Oxanthera undulata'', the wavy-leaf oxanthera, is a species of

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclu ...

in the family

Rutaceae The Rutaceae is a family, commonly known as the rueRUTACEAE
in BoDD – Botanical Der ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

to New Caledonia.

Taxonomy

Originally characterized and named as ''Citrus undulata'' by

André Guillaumin André Louis Joseph Edmond Armand Guillaumin (21 June 1885 in Arrou – 29 May 1974 in Athis-Mons) was a French botanist. He obtained his license in biology in 1906 and began work in the ''Muséum national d'histoire naturelle'' in Paris in ...

in 1938, this species along with the other false oranges were moved to a novel genus, ''Oxanthera'', in the Swingle and Tanaka systems of citrus taxonomy.

Phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

analysis showed that ''Oxanthera'' species clustered within ''

Citrus ''Citrus'' is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus ''Citrus'' is native to ...

'', which makes this species a member of that genus.

References

* Endemic flora of New Caledonia undulata Critically endangered plants Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Rutaceae-stub