What are cypress knees and what function do they serve?

Question

ForwardPlant Team · Accepted Answer

Cypress knees are distinctive woody projections rising from the roots of bald cypress trees, often found in swampy or wetland environments. Their precise function remains a subject of ongoing scientific study, but prevalent theories suggest they play a role in gas exchange, particularly in oxygenating the root system in anaerobic waterlogged soils. They might also provide structural support, anchoring the tree in soft substrates.

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