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Daidai double calyx sour orange

Citrus taiwanica Tanaka & Y. Shimada

CRC 656

PI 539681


Photos by David Karp, CVC,  3/3/2008. Photo rights.


Source: Received as budwood by I.J. Condit from C.C. Chapman grove, Fullerton, Ca, 1915.


Parentage/origins: Said to have come from Brazil.


Rootstocks of accession: Carrizo citrange, C-35 citrange


Season of ripeness at Riverside: January to March


Notes and observations:

RGL: Identified by Dr. T. Tanaka of Japan 12/28 as Daidai, on of the most commonly used Japanese stocks.

EMN, 1985: This accession had exocortis and seedling yellows, removed by shoot tip grafting

2/24/1988, EMN: Calyx hangs on tree after fruit falls. This cultivar may have slightly thicker rind than most sours, on average.


Availability: Not commercially available in California.

USDA Germplasm Resources Information Network page for Daidai double calyx sour orange




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