Format: ORAL

Andrew H. Thornhill1

N.C.W. Beadle Herbarium, University of New England, Armidale, NSW, Australia

Much progress has been made in the phyogenetic analysis of the eucalypts (Angophora, Corymbia, and Eucalyptus). This presentation aims to summarise the progress and now controversies that have occured in eucalypt generic classification since the previous International Botanical Congress in 2017. Two large-scale phylogenies of the group have been published and a new genus, Blakella, has been proposed to deal with the paraphyly of Corymbia. The eucalypt fossil record and our current understanding of the biogeography will be discussed. New species have been described from most Australian states, while other research suggests that some eucalypt species should be lumped. A new edition of the eucalypt identification key Euclid was published in 2019 but ways of creating new editions are now limited. Ways to solve this problem will be discussed.