Leaves of a Peach-Almond Cross
Mr. Burbank has experimented extensively in hybridizing the almond and the peach as well as the nectarines. The hybrids, particularly in the second and later generations, show all manner of variations, some of them combining the qualities of both parents in a very striking way, others reverting strongly in one direction or the other. The spray of leaves here shown manifests the influence of both parents.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 11 Chapter 3