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(A) Representation of a n-1 year old axis carrying n year old floriferous axes (terminal flower in red) in a non-recurrent flowering rose; (B) Representation obtained by digitizing of an elementary architectural structure of a rose having an upright growth habit, aged from 5 to 6 months, cultivated in greenhouse. Three architectural components (metamer, short, and long axes) and three branching orders are labeled (O1, O2, and O3) (From Crespel et al., 2013).
