Fig. 1From: Phyllotaxis transition over the lifespan of a palm tree using Magnetic Resonance Imaging (MRI) and Terrestrial Laser Scanning (TLS): the case of Jubaea chilensisA Leaf sequence at the apex, following a certain divergence angle d (genetic spiral in dotted line; B relationship between the golden ratio and the golden angle, where Pk and Pij are respectively the long and short arclengths that give rise to the golden ratio; C the left and right-handed spiral formed in a stem lattice resulting from petiole scars and its generated (8,5) parastichy pairsBack to article page