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The effect of plant location, and leaf position on the adult leaf form of Monstera tenuis in Costa Rica, November 2000

Allen, Heather J

Digital Commons @ University of South Florida 2000

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  • Título:
    The effect of plant location, and leaf position on the adult leaf form of Monstera tenuis in Costa Rica, November 2000
  • Autor: Allen, Heather J
  • Assuntos: Anatomy ; CIEE Fall 2000 ; Leaves ; Plant morphology
  • Notas: Monteverde Institute: Tropical Ecology and Conservation
  • Descrição: Leaf morphology of Monstera tenuis (a tropical forest vine) differs greatly between growth stages. The mature leaf growth form has open areas presumably to prevent shading of the lower leaves on the same plant or to prevent overheating. Therefore, leaves highest on a plant, those exposed to most sun should show the most open area. Plants located on the edge of forest are exposed to more evenly distributed light; therefore, they are expected to have more open area per leaf on average. These ideas were tested in the forest and on the forest edge near the Estación Biológica Monteverde. One hundred and forty leaves were collected for analysis from twelve plants at each location. The edge plants had a significantly higher mean of open area per total leaf surface area (F1, 264 = 6.770, P= 0.0011). The forest site showed a significant correlation between leaf height and open area per total surface area (Rho = 0.0273, P=0.0011). These results suggest that the location of a plant and the placement of a leaf may explain leafmorphology, specifically the proportion of open area per leaf. Leaf height and leaf area has a significantly positive correlation, indicating that leaf size is likely a result of developmental changes. Leaf area appears to be independent of environmental conditions as determined by this study. https://digitalcommons.usf.edu/tropical_ecology/1142/thumbnail.jpg
  • Editor: Digital Commons @ University of South Florida
  • Data de criação/publicação: 2000
  • Idioma: Inglês;Espanhol
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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