1) Cleistogamous 2) Self-pollination 1) Cleistogamous 
• (a.) Alt. of Cleistogamous
cleistogamy, cleistogamic, cleistogamous Applied to certain small inconspicuous permanently closed flowers, adapted for self-fertilization, occurring in various plants (e.g. Oxalis Acetosella, different species of Viola, etc.) on the same individuals as the normal larger brightly-colored flowers, which in such cases are either cross-fertilized or b...