ANCIENT PROCESS. “It is not surprising that plants have evolved mechanisms for dealing with obsolete organ systems. The shedding of leaves by the process of abscission is a very ancient trait – fossils from as early as the Devonian period (i.e., -400 million years ago) show evidence of abscission scars.”
https://lnkd.in/dNWP3KD
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022