Abstract

In a reinvestigation of the floral morphology of Bixa orellana, it was found that several organs such as stamens and gynoecium needed a new description. Anthers are folded, horseshoeshaped, with 4 locules and lateral dehiscence. The ovary is inferior and at maturity is raised by a gynophore. The flower has a netwotk of laticifers and gum channels.