''Citrus macrophylla'', also known as alemow, is a

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 ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

and

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

, belonging to the papedas. The trees are short in stature, more tropical in nature than most citrus, and are very spiny.

Taxonomy

Alemow is rare and poorly studied, a likely hybrid between the

citron The citron (''Citrus medica''), historically cedrate, is a large fragrant citrus fruit with a thick Peel (fruit), rind. It is said to resemble a 'huge, rough lemon'. It is one of the Citrus taxonomy#Citrons, original citrus fruits from which al ...

and biasong (''C. micrantha''). The large fruits are considered inedible by local populations, though the plants are infrequently cultivated for medicinal and other uses. It has been tried in

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

as a possible

rootstock A rootstock is part of a plant, often an underground part, from which new above-ground growth can be produced. It could also be described as a stem with a well developed root system, to which a bud from another plant is grafted. It can refer to ...

for other citrus.

Notes

References

NRCC scientist Sonkar gets gold medal for work on Alemow

on Citrus Variety Collection website
Alemow (Citrus macrophylla Wester) — a dwarfing ...

Citrus ID
{{Taxonbar, from=Q5122913 macrophylla Fruits originating in Asia