FIGURE 1.

Floral apices of different C. sativa phenotypes. (A) Panicle from an androecious plant showing prominent production of staminate flowers: arrow points to a male flower bud. (B) Floral apex from a monoecious specimen fully covered by pistillate flowers on its apical section, and showing male floral buds in its middle section: arrow points to a staminate flower. (C) Apex from a gynoecious plant, showing multiple pistillate flowers. (D) STS treated gynoecious plant showing male bud formation on its apical section coexisting with pistillate flowers: arrow points to a staminate flower. Scale bars: 5 mm.