Figure 3.

Scanning electron microscopy analysis of wild-type and gsf1 mutant florets. Staminate florets in the wild-type inflorescence (Left) contain three functional stamens and no remnants of pistils regardless of the location of florets; pistillate florets at the base each contain a fully developed pistil and three rudimentary stamens. In the gsf1 mutant (Right), all florets contain fully developed pistils. Stamens arrest at different developmental stages, from fully developed in the apical region, to immature in the central region, to rudimentary at the base. Wild-type (WW1218) and gsf1 mutant (WW1582) plants (2) were greenhouse grown. s, stamen; p, pistil. (Bar = 100 μm.)