Relating to the study of how plants grow in relationship to their geological environment and the earth's surface conditions.
From Greek 'geo-' (earth), 'botanikos' (relating to plants). Developed as a specialized term in the 19th century when botanists recognized that geology profoundly affects plant distribution.
Geobotany explains why you find different plants on mountains versus valleys, or on limestone versus granite soils—Earth's rocks literally select which plants can survive in each place.
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