In this paper, nomenclatural issues concerning nine Amaranthus taxa in the Australian flora are clarified. Lectotypes are designated for names of three currently accepted species (A. interruptus R.Br., A. rhombeus R.Br. and A. undulatus R.Br.) and two names now being considered to be taxonomic synonyms (A. lineatus R.Br. and A. macrocarpus var. pallidus Benth.). The earlier ‘holotype’ citations for the taxonomic synonym A. incurvatus Timeroy ex Gren. & Godr. and the currently accepted species A. quitensis Kunth are here considered effective lectotypifications. The holotype material for the nomenclatural synonym A. mitchellii var. grandiflorus J.M.Black is clarified. A neotype is designated for A. pallidiflorus var. viridiflorus Thell. (now considered to be a taxonomic synonym).
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5 February 2020
Nomenclature survey of the genus Amaranthus (Amaranthaceae). 6. Names linked to the Australian flora
Duilio Iamonico,
Jo Palmer
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Australian Systematic Botany
Vol. 33 • No. 2
February 2020
Vol. 33 • No. 2
February 2020
Australia
holotype
invalid name
Lectotypification
neotype
syntypes