Here is another description;RUSSELL (W.I.)FL Originated Islamorado,FL from seed of fruit brought from Cuba by John Russel & planted near his home about1880. Top-worked by Harvey Fitzpatrick, Homestead, FL in 1935, shortly before parent tree was destroyed by a hurricane. Fruit: season, Aug.-Sept.; color, green; weight, 24-36 ozs.; shape, clavate; skin, smooth, leathery. Seed, med. Sometimes solid neck of flesh 5-6" long.(CAS Yearbook 1950) Orig. in Islamorado, FL by John Russell. Introd. in 1935. Seedling of West Ind. type from seed of fruit brought from Cuba about 1880. Fruit: large, 24-36 oz; often 12"long; clavate; skin green, smooth, leathery; flesh yellow; seed size med.; cavity low in the broad end of fruit, often a solid neck of flesh 5-6"long;season Aug.&Sept.Tree: vigorous; moderately productive. Flower group A. Not propagated commercially.(B&O Register) Origin, CA; Race, WI; Flower, A (Lahav & Gazit) (originated in Islamorada in FL Keys); pear-shaped at apex with long neck giving it a total length up to 13"(32.5cm); skin, smooth, glossy, thin, leathery; flesh of excellent quality; seed small. Season: Aug.&Sept.Tree bears well & is recommended for home gardens. (J Morton)