''Monanthocitrus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of flowering plants in the

citrus ''Citrus'' is a genus of flowering plant, flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as Orange (fruit), oranges, Lemon, lemons, grapefruits, pomelos, and lim ...

family, Rutaceae. General common names for the genus include spotseed-lime and monanthocitrus.Swingle, W. T., rev. P. C. Reece
Chapter 3: The Botany of ''Citrus'' and its Wild Relatives.
In: ''The Citrus Industry'' vol. 1. Webber, H. J. (ed.). Berkeley: University of California Press. 1967. It is a member of the tribe

Citreae Citreae is one of the two tribes of the flowering plant family Rutaceae, subfamily Aurantioideae, the other being Clauseneae. Subtribes and genera Three sub-tribes are included: * Triphasiinae ** '' Luvunga'' Buch.-Ham. ex Wight & Arn. ** '' ...

in the subfamily

Aurantioideae Aurantioideae (sometimes known as Citroideae) is the subfamily within the rue and citrus family (Rutaceae) that contains the citrus. The subfamily's center of diversity is in the monsoon region of eastern Australasia, extending west through Sout ...

, which includes the genus ''

Citrus ''Citrus'' is a genus of flowering plant, flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as Orange (fruit), oranges, Lemon, lemons, grapefruits, pomelos, and lim ...

''. It is one of several genera in the subtribe Triphasiinae, which are known technically as the minor citroid fruit trees.Citrus Variety Collection.
College of Natural and Agricultural Sciences. University of California, Riverside. Most of the species in this small genus have limited native ranges in

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...

. Species include: *'' Monanthocitrus bispinosa'' *'' Monanthocitrus cornuta'' — endemic to Irian Jaya,

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

* '' Monanthocitrus oblanceolata'' — endemic to

Sabah Sabah () is a States and federal territories of Malaysia, state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah borders the Malaysian state of Sarawak to the southwest and the North Kalimantan province of Indone ...

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

*'' Monanthocitrus paludosa''

References

Aurantioideae genera Taxonomy articles created by Polbot {{Rutaceae-stub