Source : Ames & Correll Orchids of Guatemala pg 701. Charles Wilson provided this drawaing to supplement the comments he made as to the need to compare to another species. I am including a link a link to the files stored in Epidendra (www.epidendra.org ) for the species that Charles mentioned : http://www.epidendra.org/taxones/Dichaea/Dichaea%20squarrosa/index.html