Describing a plant that reproduces through flowers that open normally, allowing pollination by insects or other external agents.
From Greek 'chasma' (χάσμα, gaping/opening) and 'gamos' (γάμος, marriage/union), combined with the suffix '-ic.' The term is used in botany to distinguish normal flowering reproduction from 'cleistogamous' (self-pollinating unopened flowers).
Many plants produce two types of flowers: regular 'chasmogamic' flowers that open and attract pollinators, and hidden 'cleistogamous' flowers that self-pollinate as backup—it's like having a Plan B in your genome!
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