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Fig. 2. Morphology of wild-type (A,D), gram (B,E), sty (C,F) and
sty gram (G-I) flowers. In A-C the flowers are shown from the top
revealing the structure of petals in the second whorl, flowers in E-I are in a
side view and the lower part of the wild-type flower in D has been removed to
show the stamens and the carpels (front view). The genetic background in A-C
and G-I is Sippe 50 and JI75 in E-F. Notice enhanced severity of the mutant
phenotypes in E-F compared to B,C. The arrowhead in C points to a stamenoid
petal and the arrowheads in E and F point to petaloid sepals. Whorls with
homeotically altered organs are numbered in G. In H whorled organisation is
disrupted and filamentous organs are indicated by an asterisk. Severe
reduction in organ number is illustrated in I. Scale bars: 5 mm.
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