X Citrofortunella sp.
Photos by David Karp, CVC. Photo rights.
Source: Received as budwood from Dr. Joe Furr, USDCS, Indio, Ca, 1968.
Parentage/origins: Eustis is a hybrid of the West Indian lime and the round kumquat (Fortunella japonica).
Rootstocks of accession: Yuma Ponderosa lemon
Season of ripeness at Riverside: Year-Round
Season of flowering at Riverside: May-September
Description from The Citrus Industry Vol. 1 (1967):
"Of the limequats, which are bigeneric hybrids, three varieties have been named (for description see Webber, 1943, pp. 667-68)—Eustis, Lakeland, and Tavares. Their importance is approximately in that order. All are characterized by fruits that closely resemble the West Indian lime in size, form, and composition and hence are reasonably acceptable substitutes. Eustis and Lakeland also closely approach the West Indian lime in color. Tavares, however, exhibits some of the orange coloration characteristic of the kumquat and the pink coloration of the flower buds which occurs in the West Indian lime. All of the limequats are more cold-resistant than the lime parent but considerably less so than the kumquat.
Availability: Commercially available in California through the Citrus Clonal Protection Program.
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