Passiflora discophora

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Passiflora discophora
Passiflora discophora - Copenhagen Botanical Garden - DSC07364.JPG
Passiflora discophora cultivated in the Copenhagen Botanical Garden
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Passifloraceae
Genus: Passiflora
Species:
P. discophora
Binomial name
Passiflora discophora
P. Jørg. & Lawesson
Colombia Ecuador Locator.png
distribution of Passiflora discophora (Ecuador and Colombia)

Passiflora discophora is a species of plant In the family Passifloraceae, native to western Ecuador and Colombia. [2] It is restricted to closed wet coastal forest, and considered endangered due to the rapid ongoing deforestation of Ecuador's coast.

Contents

Description

Adhesive pads

It is highly unusual among the genus Passiflora in regard of its climbing strategy. Unlike most other members of the genus, it forms branched tendrils with terminal adhesive pads. After surface contact of the tendrils, multiple adhesive pads are formed by papillate cell proliferation of the apex and a callus is formed, which perfectly reflects the microtopology of the substrate. In addition adhesive substances are secreted, which ensures persisting anchorage even after the tissue has died. The tendrils coil after adhesion, providing a firm support to the climbing plant. [3] The functional principles of these structures have been used as inspiration for engineering of similar materials. [4] [5] [6]

Related Research Articles

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<i>Passiflora arbelaezii</i> Species of vine

Passiflora arbelaezii is a species in the family Passifloraceae native to eastern Nicaragua and western Colombia. This species was named in honor of Enrique Pérez Arbeláez, the person who collected the type specimen. It was first formally described in 1957 by Antonio Lorenzo Uribe Uribe. Like Passiflora discophora and Passiflora tryphostematoides this species is rather unusual within its genus, due to the specialised adhesive structures. Passiflora arbelaezii forms branched tendrils with terminal adhesive pads, which form after contact of the distal ends with the substrate. Proliferation of papillate cells ensures close adhesion to the surfaces, which are mirrored in their microtopology by the proliferating cells, in addition to adhesive secretions of the structures.

References

  1. ↑ Jørgensen, P.; Pitman, N. (2004). "Passiflora discophora". IUCN Red List of Threatened Species . 2004: e.T45543A11004078. doi: 10.2305/IUCN.UK.2004.RLTS.T45543A11004078.en . Retrieved 12 November 2021.
  2. ↑ "Passiflora discophora P.Jørg. & Lawesson". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 20 November 2022.
  3. ↑ Bohn, H. F., Günther, F., Fink, S., & Speck, T. (2015). "A passionate free climber: structural development and functional morphology of the adhesive tendrils in Passiflora discophora." International Journal of Plant Sciences, 176(3), 294-305.
  4. ↑ Bos, C. (2019). "Micromechanical characterization of heterogeneous materials, statistical analysis of nanoindentation data." Karlsruher Institut für Technologie (KIT)
  5. ↑ Würdemann, R. "Report 2013" Freiburger Materialforschungszentrum.
  6. ↑ Speck, T., Speck, O., Masselter, T., Bohn, H., & Mülhaupt, R. (2013, June). "Plants as concept generators for biomimetic self-healing and self-adaptive materials, structures and surfaces." In ICSHM 2013: Proceedings of the 4th International Conference on Self-Healing Materials, Ghent, Belgium, June 16-20, 2013. Ghent University; Delft University of Technology.


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