• The veinsheath syndrome in Cunoniaceae. II. The generaAcsmithia, Codia, Cunonia, Geissois, Pullea andWeinmannia

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    • Keywords


      Veinsheath syndrome; vein termini cells; Cunoniaceae

    • Abstract


      The high order foliar vein sheathing of 40 species representing 6 genera of Cunoniaceae was examined. The type, orientation, distribution, and proportion of the sheathing elements around the veinlet, including the terminal cells, are variable and useful for generic circumscription and subdivision. Terminal cells are tracheoidal or sclereidal types. A general trend towards the formation of specialized sclerenchymatous terminal elements is supported.

    • Author Affiliations


      Tananda Rao1 William C Dickison2

      1. The Karnataka Association for the Advancement of Science, Mathematics Building Annexe, Central College, Bangalore - 560 001, India
      2. Department of Biology, The University of North Carolina, Chapel Hill, North Carolina - 27514, USA
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