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Fig. 6. Effect of seu-3 on the auxin regulatory mutant pid-1. (A)
pid-1 inflorescence showing flowers with large, supernumerary petals
that are occasionally fused (arrow). (B) pid-1 flower showing
gynoecium with an infrequent ovary that, like ett ovaries, is reduced
in size (arrows indicate top and bottom of single valve). (C) Top-down view of
pid-1 seu-3 inflorescence showing naked gynoecia. A swollen ring of
tissue appears in place of the outer whorl organs. Rarely, a sepal originates
from this band of tissue (arrow). (D) Side view of pid-1 seu-3
inflorescence showing that the swollen tissue in C is continuous with the
pedicel. Occasionally there is a less defined boundary between the pedicel and
the gynoecium (arrowhead). (E) pid-1 seu-3 gynoecium that resembles
pid-1 single mutant gynoecium, a stalked organ without valves. Two
filamentous outer whorl organs are apparent. (F) pid-1 seu-3
gynoecium that is split into multiple stigma-capped stalks. Although no valves
have differentiated, the gynoecium still produces ovules (arrowhead).
Genotypes described are in Ler.
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