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September 10, 2025Annals of Botany

Developmental changes in epidermal anatomy, drought tolerance, and biomechanics in the leaves of a tropical fern

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Authors

DVDaniel Vieira-GoncalvesARAdam B. Roddy

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Overview

Study reveals biomechanical and hydraulic changes in leaves of Microsorum grossum, indicating vulnerability to drought.

Key Points

  • Epidermal pavement cells in Microsorum grossum developed into highly lobed shapes during expansion.
  • The size and shape of these cells changed as the fronds expanded by approximately two orders of magnitude.
  • As leaves matured, both turgor pressure and the bulk cell wall modulus of elasticity increased significantly.
  • The coordination between anatomical and physiological traits emphasizes the vulnerability of developing leaves to drought.

Cite This Study

Vieira-Goncalves et al. (2025) studied this question.

synapsesocial.com/papers/68c1872d9b7b07f3a06118c2https://doi.org/10.1093/aob/mcaf204
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