WHOLE PLANT MEMORY. “But can it be found also on the whole plant level? One promising example is the developmental memory represented by reaction of axillar buds of Scrophularia cuttings to leaf removal, demonstrated by classical experiments of R. Dostál from the 1960s, or later experiments demonstrating specific response of Bidens axillar buds to cotyledon injury in decapitated plants. later experiments demonstrating specific response of Bidens axillar buds to cotyledon injury in decapitated plants.”
http://www.tandfonline.com/doi/full/10.4161/psb.4.5.8276#abstract