Collenchyma and sclerenchyma in Ampelopsis brevipedunculata tendrils


https://doi.org/10.4081/microscopie.2010.4971
Vol. 13 No. 1 (2010)
Submitted: 15 January 2015
Accepted: 15 January 2015
Published: 31 March 2010
Ampelopsis brevipedunculata, tendril, lignin, collenchyma, fiber.
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Authors

  • M. Witty
    mwitty@monmouth.edu
    Urban Coast Institute, Department of Biology, Monmouth University, West Long Branch, NJ, United States.
  • E. Braunstein Urban Coast Institute, Department of Biology, Monmouth University, West Long Branch, NJ, United States.
  • A. Chou Urban Coast Institute, Department of Biology, Monmouth University, West Long Branch, NJ, United States.
Vines like Ampelopsis brevipedunculata (vitaceae) produce tendrils which are motile and flex in a circular motion, seeking solid supports. Then, when a support is found they adhere firmly by coiling. To achieve these two functions tendrils use a cellular and developmental mechanism which involves microscopic alteration of cell wall composition and physical properties. Immature tendrils are flexible because their supporting tissues include abundant collenchyma and un-lignified primary cell walls, which allow considerable movement. Mature tendrils acquire large amounts of lignified tissue, become inflexible and decay resistant. This lignified tissue retains cell contents and is composed of fibers not tracheids.

Witty, M., Braunstein, E., & Chou, A. (2010). Collenchyma and sclerenchyma in Ampelopsis brevipedunculata tendrils. Microscopie, 13(1), 58–61. https://doi.org/10.4081/microscopie.2010.4971

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