Comparative Floral Development in Male and Female Plants of Palmer Amaranth (Amaranthus palmeri).

Timing of inappropriate organ termination varies across the two sexes in A. palmeri. Our study suggests that the evolution of A. palmeri from a cosexual ancestral to complete dioecy is still in progress since males exhibited transient hermaphroditism whilst females produced strictly pistillate flowers. This article is protected by copyright. All rights reserved.