Nodes and leaf structure in the classification of some Australasian shrubby senecioneae-compositae

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Abstract
Twenty-six species of Australasian shrubs and trees belonging to the genera Bedfordia, Brachyglottis, Traversia, and Senecio are classified into eight groups on the basis of 17 morpho-anatomical characters of leaves and nodes. Traversia baccharoides, Senecio kirkii, and S. insularis each constitute monotypic groups. Brachyglottis and Senecio myrianthos are grouped together as are the Bedfordias. New Zealand Scnecios dominate the remaining groups, one of which includes the type of the long-abandoned genus Centropappus. Supplementary information suggests that the eight groups are worthy of taxonomic recognition, but until they are considered in a broader context of Compositae their status remains uncertain.