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Fig. 5. SEM analysis of the ontogeny of wild-type (A,C,E) and inco floral
meristems (B,D,F). The flowers shown in B are at late stage 2 and at early
stage 3 in A, at stage 4 in C,D and at stage 5 in E-H [stages from Carpenter
et al. (Carpenter et al.,
1995)]. In def (G), second whorl organs are homeotically
transformed to sepals and are smaller than in the wild type (see
Fig. 6A,B), therefore size and
position of sepals is less affected in def inco flowers (H).
Prophylls are shown by an asterisk and numbers indicate the sequential order
of appearance of sepal primordia. Scale bars: 50 µm in A,B; 100 µm in
C-H.
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