The Australian taxon Lagunaria patersonius subsp. bracteata is raised to specific rank as L. queenslandica, based upon morphological and ecological dissimilarities between it and the autonymic taxon, L. patersonius subsp. patersonius. The latter taxon occurs on the southwest Pacific Ocean islands, Lord Howe and Norfolk Islands. Extra-floral nectaries are reported in Lagunaria, apparently for the first time, and contrasted with those occurring in species of Hibiscus sections Bombicella and Furcaria.

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Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Craven, L. A., Miller, C., & White, R. G. (2006). A new name, and notes on extra-floral nectaries, in Lagunaria (Malvaceae, Malvoideae). Blumea: Biodiversity, Evolution and Biogeography of Plants, 51(2), 345–354.