Golden Buckeye navel orange

Citrus sinensis (L.) Osbeck 

CRC 588
PI 539582


Received as budwood from Rubidoux variety block, 1914.


Apparently a limb sport of Washington navel orange.

Rootstocks of accession

Carrizo citrange, C-35 citrange

Season of ripeness at Riverside

December to January

Notes and observations

EMN, 1985: Fruits somewhat ridged. This accession had psorosis, removed by thermotherapy (Thermo 1273-28).

EMN, 2/12/1988: Trees are small and appear to be weak growing. Light rind color but most fruits have 1 to 3 thin, raised, darker orange "ribs" running the length of the fruit. TCI, on pp 485-486, describes these "ribs" so this is not a budwood mixup with CRC 609, McFadden Ribbed navel which exhibits no ribs at all, like I thought it might be. Rind of this accession may be somewhat thinner than most navels; otherwise fruit is navel-like inside.

Description from The Citrus Industry Vol. 1 (1967)

"Fruit oblong to ellipsoid; apex nipple-like, containing a closed navel; rind very smooth, thin, and leathery. Yellowish-orange colored, with occasional narrow orange streaks or ribs. Matures considerably earlier than Washington.

Tree slow-growing, small, and weak.

Buckeye is reported to have originated in California as a limb sport of Washington. It was introduced in 1903 by the R. M. Teague Nurseries of San Dimas. This weak-growing and chimeric variety has never attained much commercial importance."


Not commercially available in California. 


USDA Germplasm Resources Information Network page for Golden Buckeye navel orange


Photos by David Karp and Toni Siebert, 1/28/2010, CVC.
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