Citrus taiwanica Tanaka & Y. Shimada
Received as budwood by I.J. Condit from C.C. Chapman grove, Fullerton, Ca, 1915.
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.
Not commercially available in California.
USDA Germplasm Resources Information Network page for Daidai double calyx sour orange