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Nuytsia
The journal of the Western Australian Herbarium

A revision of the Australian species of Eclipta (Asteraceae: Ecliptinae) with discussion of extra-Australian taxa
ORCHARD, A.E. AND CROSS, E.W.

The genus Eclipta L., of six species, is native to South America and Australia, with one species, E. prostrata (L.) L., a pantropical and warm temperate weed. The number of taxa currently recognised in the genus is discussed. The Australian taxa, comprising three species and two subspecies (E. prostrata, E. alatocarpa Melville and E. platyglossa F.Muell. subsp. platyglossa and subsp. borealis E.W.Cross & Orchard, subsp. nov.) have been studied morphologically across their full range. A lectotype is chosen for E. platyglossa. All Australian taxa are keyed, described, illustrated and mapped, and extra-Australian taxa are keyed and described, and most illustrated.