''Citrus obovata'', the Jiangsu kumquat or Fukushu kumquat, is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

kumquat Kumquats ( ), or cumquats in Australian English, are a group of small, angiosperm, fruit-bearing trees in the family Rutaceae. Their taxonomy is disputed. They were previously classified as forming the now-historical genus ''Fortunella'' or plac ...

; a type of citrus fruit in the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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

'', family

Rutaceae The Rutaceae () is a family (biology), family, commonly known as the rueRUTACEAE
in Bo ...

. It was first described by the French biologist

Constantine Samuel Rafinesque Constantine Samuel Rafinesque-Schmaltz (; 22 October 178318 September 1840) was a French early 19th-century polymath born near Constantinople in the Ottoman Empire and self-educated in France. He traveled as a young man in the United States, ult ...

in 1838. It was described by

Tanaka is the fourth most common Japanese surname. It is typically written with the kanji for . Less common variants include , , , , and . People with the surname *, Japanese musician formerly known as Boku no Lyric no Bōyomi *, Japanese voice actres ...

in 1927 as a new species as well as a synonym of ''

Citrus japonica ''Citrus japonica'', the round kumquat, Marumi kumquat, or Morgani kumquat, is a species of citrus fruit in the genus ''Citrus''. It was first described by Carl Peter Thunberg in 1780 as ''Fortunella japonica''. ''C. japonica'' is a native specie ...

''. However, recent phylogenetic analysis suggested that ''C. obovata'' should be classified as natural or horticultural hybrids. Today, ''C. obovata'' is ranked a 'true' species.

References

{{Taxonbar, from=Q5122908 obovata Taxa named by Constantine Samuel Rafinesque Plants described in 1838