Australian Journal of Botany Australian Journal of Botany Society
Southern hemisphere botanical ecosystems
RESEARCH ARTICLE

Pollen morphology of the Myrtaceae. Part 1: tribes Eucalypteae, Lophostemoneae, Syncarpieae, Xanthostemoneae and subfamily Psiloxyloideae

Andrew H. Thornhill A D , Geoff S. Hope B , Lyn A. Craven C and Michael D. Crisp A

A Division of Evolution, Ecology and Genetics, Research School of Biology, Building 116, Daley Road, The Australian National University, Canberra, ACT 0200, Australia.

B Department of Archaeology and Natural History, College of Asia and the Pacific, The Australian National University, Canberra, ACT 0200, Australia.

C Australian National Herbarium, CSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601, Australia.

D Corresponding author. Email: Andrew.Thornhill@anu.edu.au

Australian Journal of Botany 60(3) 165-199 http://dx.doi.org/10.1071/BT11174
Submitted: 4 July 2011  Accepted: 9 January 2012   Published: 10 April 2012

Abstract

A family-wide palynological study of Myrtaceae was conducted using scanning electron microscopy (SEM) and light microscopy (LM). In this part of the study, the pollen morphology of 18 genera and 150 species from the Myrtaceae tribes of subfamily Myrtoideae, Eucalypteae, Lophostemoneae, Syncarpieae, Xanthostemoneae and subfamily Psiloxyloideae are presented. It was found that the most commonly observed pollen in these groups was parasyncolpate with a rugulate exine, whereas some species possessed an apocolpial island. The large, and sometimes syndemicolpate, pollen of Eucalypteae genera Angophora and Corymbia differed from all other genera. Most Eucalyptus pollen had endopores with a thickened exine.


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