Title: Chasmogamous and cleistogamous flowers. Photo by C. A. Gracie.
Description: Chasmogamous and cleistogamous flowers of Viola sororia based on an unvouchered plant from the northeastern United States. A. Chasmogamous flower at anthesis. B. Cleistogamous flower which is situated near to the ground and self-pollinates.
Term:
Cleistogamy (cleistogamous)
Definition:
Referring to flowers that do not open and usually are self-fertilized.