Humidity-dependent wound sealing in succulent leaves of Delosperma cooperi – An adaptation to seasonal drought stress

• Olga Speck,
• Mark Schlechtendahl,
• Florian Borm,
• Tim Kampowski and
• Thomas Speck

Beilstein J. Nanotechnol. 2018, 9, 175–186, doi:10.3762/bjnano.9.20

• vascular bundles, are regarded as paedomorphic tracheids, which are specialised to prevent cell collapse under drought stress and allow for building growth-induced mechanical pre-stresses. Keywords: hydraulics; mechanical pre-stress; paedomorphosis; self-sealing; wide band tracheids; Introduction Over

• construction plans, numerical and analytical models [6]. In cases in which mainly physical processes (e.g., movement driven by hydraulics and mechanical instabilities or a given stress–strain field in combination with morphological–anatomical characteristics) and/or chemical processes (e.g., polymerisation

Comparative kinematical analyses of Venus flytrap (Dionaea muscipula) snap traps

• Simon Poppinga,
• Tim Kampowski,
• Amélie Metzger,
• Olga Speck and
• Thomas Speck

Beilstein J. Nanotechnol. 2016, 7, 664–674, doi:10.3762/bjnano.7.59

• vs aquatic). Hence, the Aldrovanda mechanism could be an optimized means to reliably capture prey under water, whereas the Dionaea trap snaps shut rapidly on land. From our comparative study (air/water) we can conclude that the Dionaea trap mechanism (hydraulics plus elastic relaxation of a