Citrus medica L.
Photos by David Karp, CVC, 12/5/2006. Photo rights.
Source: Received as seed from John Carpenter, USDA Date & Citrus Station, Indio, Ca, 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:
1/20/1989, EMN: A small round citron with a prominant nipple. Rind medium yellow, often ridged from base to apex. Rind relatively thin for a citron. Pulp light yellow, moderately juicy, extremely sour. Very seedy.
11/7/2006, DK & OJB: Papuan appears from its fleshy flowers to be a hybrid, but molecular marker studies show that it’s a pure citron. The tree is small, with small, rolly-poly fruit, strongly pointed, and very juicy, with a rather thin rind. It has fine-textured flesh, very acid, acrid. The leaves look right for a citron. Note the seedlings growing underneath the tree.
Availability: Not commercially available in California.
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