pertaining to or having pollination occur in a fully opened flower.
Origin of chasmogamous
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for chasmogamous
Almost all these plants, as Darwin pointed out, have also chasmogamous flowers which render cross-fertilisation possible.Darwin and Modern Science|A.C. Seward and Others