Wakapa. Triflora × Americana. 1. S. Dak. Sta. Bul. 108. 1908.
A hybrid between De Soto and Red June reported by Hansen, the originator, in the preceding reference as worthy of further testing.
Walker Seedling. Domestica. 1. Can. Hort. 21:390. 1898.
A seedling raised by A. W. Walker, Clarksburg, Ontario. Fruit of medium size, dark maroon; flesh greenish, tender, moderately juicy, sweet, pleasant; freestone; early.
Wallace. Americana. 1. Meneray Cat.
A seedling of Harrison grown by H. A. Terry; introduced by F. W. Meneray, Council Bluffs, Iowa. Tree healthy, vigorous and productive; fruit large, inclined to oblong, bright yellow overspread with red; flesh firm; good; semi-clinging; mid-season.
Walter. Domestica. 1. Oberdieck Deut. Obst. Sort. 431. 1881.
Produced by Herr Walter in Altenburg, Germany; valuable for table and market purposes. Tree vigorous; shoots glabrous; fruit roundish-oval, medium; suture deep; halves usually equal; stem thick, straight, strongly hairy; skin not adherent, dark brown; bloom thick; flesh yellow, tender, very juicy; like Reine Claude in flavor; early.
Walther Pflaume. Species? 1. Mathieu Nom. Pom. 453. 1889.
The reference by Mathieu came from Monatsschrift für Pomologie 281. 1858.