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Japansche citroen Rangpur lime

Citrus limonia Osbeck

CRC 2875
PI 600631


Source

Received as seed from Dr. G.J.A. Terra, Buitanzorg, Java, 1948.


Parentage/origins

Parents unknown.


Rootstocks of accession

Yuma Ponderosa


Season of ripeness at Riverside

The main crop is winter and early spring.


Notes and observations

These are seeds from the true Japanese citron and will provide an opportunity to compare with Rangpur lime. Terra states it is not Rangpur but a natural hybrid which occurred in Java. Seed germinated well and seedlings are extreme, vigorous & Uniform.

1/23/1989, EMN: Fruit compared with Rangpur lime, CRC 131. They look like twins to me.


Description from The Citrus Industry Vol. 1 (1967)

"Fruit small to medium in size, variable in form but mainly depressed globose to round or broadly obovate; sometimes with furrowed collar or low neck; often with short nipple partially or entirely surrounded by a shallow furrow. Rind color yellowish to reddish-orange; thin, and moderately loose, with surface minutely pitted and smooth to slightly rough. Segments 8 to 10, loosely adherent; axis large and hollow at maturity. Flesh orange-colored; tender, juicy, and strongly acid. Seeds fairly numerous, small, highly polyembryonic, and with light green cotyledons. Fruit holds on tree for a long period.

Tree usually vigorous and productive, medium-sized, spreading and drooping, with slender twigs, comparatively few and small thorns; foliage dull-green and mandarin-like, and new shoot growth lightly purple-tinted. Flowers small and mandarin-like and buds and petals deeply purple-tinged. Hardy to cold.

The description of the Rangpur given above is generalized. Several clonal varieties of this mandarin-like fruit have been selected and named and a comparatively wide variation exists in fruit characters in regard to form, color, smoothness and adherence of rind, and acidity and flavor.

Common names used for the fruit include Rangpur in India, Canton lemon in South China, hime lemon in Japan, cravo lemon in Brazil, Japanche citroen in Java, and Rangpur lime or mandarin-lime in the United States. Other Indian names include Sylhet lime, surkh nimboo, sharbati and marmalade lime. The name lime employed in connection with this fruit is misleading and should be avoided since the only similarities between it and the true limes are that both have small flowers and because they are both highly acid can be used as substitutes.

Resemblances between the Rangpur and mandarin are obvious and numerous, and for this reason it is best included under the mandarin-like fruits. The rough lemon and Rangpur also exhibit rather close similarities and important differences.

Almost certainly of Indian origin, the Rangpur early spread throughout the Orient and to the East Indies. According to Webber (1943), it was introduced into Florida in the late nineteenth century by Reasoner Brothers of Oneco, who obtained seed from northwestern India. The Rangpur is of horticultural importance primarily as a rootstock both in the Orient and South America and as an ornamental.

The clone or clones grown in the United States correspond with the general description given above.  It seems probable that one principal clone is involved, since this fruit is highly polyembryonic and reproduces remarkably true from seed.  As grown elsewhere, apparently there are several rather similar clones.  This appears to be the case in the Orient (Hodgson, Singh and Singh, 1963) and is suggested by the observation of minor differences in a collection of a dozen or more accessions from widely separated sources assembled in California.  The differences seem to be concerned principally with the form of the fruit and nature of the rind surface.

In the United States (particularly in California), the Rangpur is widely used as a hardy, dooryard fruit and ornamental and as a potted or tubbed plant.  It is especially well adapted for such uses since it propagates readily from cuttings and is easily dwarfed when the roots are confined.  Outside the United States, its use seems to be principally as a rootstock.  Primarily because of its tolerance to the tristeza virus and resistance to soil-borne diseases, it is a rootstock widely employed, especially in Brazil where it is known as the cravo lemon.  When employed for such use, however, the scion materials must be free from exocortis virus, for the Rangpur as a rootstock is severely affected by that disease."


Availability

Not commercially available in California.

 

USDA Germplasm Resources Information Network page for Japansche citroen Rangpur lime

 

 

Japansche citroen Rangpur lime tree
Japansche citroen Rangpur lime fruit
Japansche citroen Rangpur lime fruit on tree
Japansche citroen Rangpur lime sliced open
Photos by Toni Siebert and David Karp, CVC.
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