Dear Colleagues,

The last decades have witnessed an explosion in the genetic and molecular analysis of flowering and the development of a typical hermaphrodite flower. Although most angiosperms develop hermaphrodite flowers, 10% of the species—including major crops such as maize—display different sexual morphs. Monoecious species exhibit male and female flowers on the same plant while dioecious species have separate male and female individuals. Gynoecious plants bear only pistillate flowers and androecious plants bear only staminate flowers. Andromonoecious plants exhibit both male and perfect bisexual flowers.

How the gender of a flower or plant is determined is an important question in plant developmental biology. Understanding this process also has practical applications, as the gender of a flower or plant often limits how the plant is bred and cultivated.

The goal of this Special Issue is to highlight, through a standard peer-reviewed process, research and review papers focusing on sex determination or sex stability in different model species. The paper could describe the molecular mechanisms controlling the development of unisexual flowers or evolutionary aspects of sex determination in general.

Dr. Abdelhafid I. Bendahmane
Guest Editor

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

• Sex determination
• Unisexual flower
• Carpel abortion
• Stamina abortion
• Monoecy
• Dioecy gynoecy
• Androecy
• Andromonoecy