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Whorled phyllotaxy. Whorled phyllotaxy is another common mutation, although this is less desirable as a concealment trait as the plants still definitely resemble cannabis.
It is thought that the evolution of opposite-decussate phyllotaxy occurred comparatively recently, from an alternate-leaved ancestor, and that the genes controlling the decussate phyllotaxy âswitch offâ around the time of inflorescence. Cannabis usually exhibits opposite decussate phyllotaxy, but can also exhibit alternate or whorled phyllotaxy