ArticleFrontiers in plant science2021
Twist-to-Bend Ratios and Safety Factors of Petioles Having Various Geometries, Sizes and Shapes.
Article in Frontiers in plant science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Mechanical properties of radish petioles and calibration of cohesion parameters in discrete element models.Frontiers in plant science · 2025Article
- Changes induced by parental neighboring touch in the clonal plantFrontiers in plant science · 2024Article
- Longevity of System Functions in Biology and Biomimetics: A Matter of Robustness and Resilience.Biomimetics (Basel, Switzerland) · 2023Review
- Conjoining Trees for the Provision of Living Architecture in Future Cities: A Long-Term Inosculation Study.Plants (Basel, Switzerland) · 2023Article
- Anatomy and Biomechanics of PeltatePlants (Basel, Switzerland) · 2022Article
- Charting the twist-to-bend ratio of plant axes.Journal of the Royal Society, Interface · 2022Article
- Acclimation to wind loads and/or contact stimuli? A biomechanical study of peltate leaves of Pilea peperomioides.Journal of experimental botany · 2022Article
- Mechanical investigations of the peltate leaf ofFrontiers in plant science · 2022Article
- Wind dynamics and leaf motion: Approaching the design of high-tech devices for energy harvesting for operation on plant leaves.Frontiers in plant science · 2022Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
From a mechanical viewpoint, petioles of foliage leaves are subject to contradictory mechanical requirements. High flexural rigidity guarantees support of the lamina and low torsional rigidity ensures streamlining of the leaves in wind. This mechanical trade-off between flexural and torsional rigidity is described by the twist-to-bend ratio. The safety factor describes the maximum load capacity. We selected four herbaceous species with different body plans (monocotyledonous, dicotyledonous) and spatial configurations of petiole and lamina (2-dimensional, 3-dimensional) and carried out morphological-anatomical studies, two-point bending tests and torsional tests on the petioles to analyze the influence of geometry, size and shape on their twist-to-bend ratio and safety factor. The monocotyledons studied had significantly higher twist-to-bend ratios (23.7 and 39.2) than the dicotyledons (11.5 and 13.3). High twist-to-bend ratios can be geometry-based, which is true for the U-profile of
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