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Leaf Architecture of Philippine Shorea species (Dipterocarpaceae)

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Author Affiliations

  • 1College of Forestry and Natural Resources, PHILIPPINES
  • 2Institute of Biological Sciences, College of Arts and Sciences University of the Philippines, Los Baños and Faculty of Management and Development Studies, University of the Philippines, Open University Los Baños, Laguna, PHILIPPINES

Int. Res. J. Biological Sci., Volume 3, Issue (5), Pages 19-26, May,10 (2014)

Abstract

The leaf architecture of ten Shorea species (Dipterocarpaceae) was studied. A dichotomous key was constructed based mainly on the leaf architecture character states that were measured and described. The most useful character to delineate these Shorea species is on areolation. Other useful characters are blade class, laminar ratio, base angle, apex angle, base shape, apex shape, vein spacing and vein angle. These morphometrics showed unifying and distinguishing diagnostic character states that are good taxonomic markers for the description and identification of Shorea species in the Philippines.

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