Abstract
Syrrhopodon gaudichaudii Mont. is lectotypified and its key features are discussed. A neotype is designated for Syrrhopodon hawaiicus Müll.Hal. and the taxon is placed in synonymy with S. gaudichaudii. A key to the species of Syrrhopodon occurring in the Hawaiian Islands is provided.
Acknowledgements
This work was supported by The Natural History Museum, London (BM). I am grateful to the curators in G, H and NY for the loan of specimens, and to those in BISH, G, GOET, H, HAW, L, NY, REN and S for searching their herbaria for original material of Syrrhopodon hawaiicus. Thanks also to Jo Wilbraham (BM) and two anonymous reviewers for constructive comments on an earlier draft of this article.
Taxonomic Additions and Changes: Syrrhopodon gaudichaudii Mont. (= Syrrhopodon hawaiicus Müll.Hal., syn. nov.).