There are two distinctly different types, Celosia plumosa, more common with plume-like flowers as seen in the images here, and Celosia cristata, which has a decorative crest with rather unusual ...
However, two popular cockscomb varieties with green-colored blossoms are Celosia cristata ‘Spring Green’ and Celosia plumosa ‘Sunday Green’. The first features flattened, umbel-shaped flower blossoms, ...