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. 2007 Jul 25;2(7):e644. doi: 10.1371/journal.pone.0000644

Figure 1. Schematic illustrations for initial shapes of S. pistillata branches.

Figure 1

(A) Experiment 1: setting I, single-tip branches; setting II, initial dichotomous branches; setting III, dichotomous tip branches.

(B) Experiment 2: setting I, single-tip branches; preparative II, pairs of isogeneic branches with tip-to-tip contacts creating structures with two bases each (fused double tips); preparative III, pairs of isogeneic branches with center-to-center contacts, creating shapes with two tips and two bases each (crossed double tips).