A wild variety from Illinois introduced by Stark Brothers in 1890. Tree dwarf; fruit of medium size, roundish-oval; stem slender; cavity of medium depth, flaring; suture shallow; dots many, small, yellow; dark red; bloom thick; skin thick; flesh yellow, firm, meaty, sweet; quality fair; stone oval, smooth, flattened, clinging; mid-season.
Iroquois. Hortulana mineri? 1. Can. Exp. Farm Bul. 43:39. 1903.
From Charles Luedloff, Cologne, Minnesota. Fruit of medium size, roundish-heart-shaped; cavity narrow; suture a line; dark red; dots numerous, small, yellow; bloom thin; skin thick, tough; flesh yellow, juicy, sweet; quality fair; stone oval, slightly flattened, clinging.
Isaac. Americana. 1. Kerr Cat. 1897. 2. Waugh Plum Cult. 154. 1901.
Brought to notice by M. S. Hubbell from a wild tree near Lincoln, Nebraska. Fruit small, roundish, red over a green ground; clingstone.
Isabella. Domestica. 1. Pom. Mag. 3:150. 1830. 2. Downing Fr. Trees Am. 305. 1845. 3. Ann. Pom. Belge 6:93, Pl. 1858. 4. Hogg Fruit Man. 366. 1866. 5. Mathieu Nom. Pom. 436. 1889.
Die Isabelle 5. Prune Isabelle 3.
An English variety popular sixty-five years ago; said to produce three crops a year. Tree vigorous; fruit large, oval; suture distinct; deep, dull red, paler in the shade; dots many, dark colored; flesh yellow, rich, juicy, brisk; good; clingstone; mid-season.
Isabella. Americana. 1. Kerr Cat. 1900. 2. Terry Cat. 1900
Originated with H. A. Terry, Iowa, in 1893. Tree low, spreading, productive; fruit of medium size, roundish; dark red on a yellow ground; good; clingstone; mid-season.