Why do cypress trees grow these structures in wetland environments?

Question

ForwardPlant Team · Accepted Answer

Cypress trees develop "knees" in wetlands, which are upward-growing root extensions. While their exact function is debated, these structures are thought to aid in gas exchange for roots in low-oxygen, waterlogged soils, or provide structural support and anchorage in unstable, saturated environments. They represent a fascinating adaptation to the challenges of wetland life.

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