Yet Another Burbank Amaryllis
When Mr. Burbank's amaryllis experiments were at their height, his colony of these plants was regarded as the finest to be seen anywhere in the world. Some of his hybrids took on gigantic growth, producing flowers almost twelve inches in diameter. They made a gorgeous display in blossoming time.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 9 Chapter 3