Pollen morphology of the Myrtaceae. Part 4: tribes Kanieae, Myrteae and Tristanieae
Andrew H. Thornhill A D , Geoff S. Hope B , Lyn A. Craven C and Michael D. Crisp A
+ Author Affiliations
- Author Affiliations
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) 260-289 https://doi.org/10.1071/BT11177
Submitted: 4 July 2011 Accepted: 9 January 2012 Published: 11 April 2012
Abstract
Pollen morphology of 44 genera and 101 species from the Myrtaceae tribes Kanieae, Myrteae and Tristanieae was surveyed using scanning electron microscopy (SEM) and light microscopy (LM). Most Myrteae pollen were brevicolpate and granulate, which is unique within Myrtaceae, and these are most likely ancestral characters for this tribe. Two main pollen types were observed in tribe Kanieae, one form being with syncolpate colpi and a distinctive granulate exine, and the other with parasyncolpate colpi and a less ornamented exine. Genera Tristania and Thaleropia of tribe Tristanieae produce the smallest pollen in Myrtaceae, whereas Octamyrtus of tribe Myrteae produces the largest pollen observed in Myrtaceae.
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