Plant Systematics and Evolution

, Volume 225, Issue 1–4, pp 225–233 | Cite as

Surface wax, a new taxonomic feature in Plagiochilaceae

  • J. Heinrichs
  • H. Anton
  • S. R. Gradstein
  • R. Mues
  • I. Holz
Article

Abstract

A scanning electron microscope study of 81 species of Plagiochilaceae revealed the presence of superficial waxes on the leaves and stems ofPlagiochilion mayebarae and 5 species ofPlagiochila. The waxes are not visible in the light microscope and were unknown in Plagiochilaceae.Plagiochila fuscolutea andP. longiramea (=P. sect.Fuscoluteae) are characterised by the predominant occurrence of membraneous wax platelets;Plagiochila aerea, P. rudischusteri andP. tabinensis(=P. sect.Bursatae) predominately form various types of wax rodlets. Our findings show for the first time the systematic usefulness of leaf surface waxes in the liverworts.P. tabinensis contains surface waxes in amounts of ca. 1.4% dry weight composing of steryl esters, triacylglycerols and free fatty acids.

Key words

Plagiochilaceae Plagiochila sect.Bursatae Plagiochila sect.Fuscoluteae gametophyte surface wax 

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Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • J. Heinrichs
    • 1
  • H. Anton
    • 2
  • S. R. Gradstein
    • 1
  • R. Mues
    • 2
  • I. Holz
    • 1
  1. 1.Albrecht von Haller Institute of Plant Sciences, Department of Systematic BotanyUniversity of GöttingenGöttingenGermany
  2. 2.Botanik, Universität des SaarlandesSaarbrückenGermany

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