Citron of Commerce
Citrus medica L.
Photos by David Karp, CVC, 12/5/2006. Photo rights.
Source: Received as budwood from Dr. John Carpenter, USDA Date & Citrus Station, Indio, California, 1966. Open pollinated seedling.
Parentage/origins: Parents unknown.
Rootstocks of accession: Yuma ponderosa lemon
Season of ripeness at Riverside: November to January
Notes and observations:
12/22/1987, EMN: This is apparently NOT Citron of Commerce (Corsican citron). Citrus Industry description fits fairly well except: this accession is sour whereas Citron of Commerce is supposed to be "sweet" (without acid)". See CRC 1795, Corsican citron.
12/5/2006, DK & TS: Medium pebbly rind. Elongate, pointed at apex. Thick, sweet rind; flesh tart, fairly juicy for a citron. Citron of Commerce is supposed to resemble Corsican, but the CVC specimen does not, since it is tart.
Description from The Citrus Industry Vol. 1 (1967):
"Fruit large, ellipsoid to very slightly obovate; basal area slightly depressed and radially furrowed; apical nipple suppressed or indistinct (less prominent than in Diamante); seedy. Color lemon-yellow. Rind very thick and fleshy; surface rather rough, bumpy, and commonly somewhat ribbed. Flesh crisp and solid; lacking in juice; flavor sweet (without acid).
Availability: Not commercially available in California.
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