Evaluation of the morphological variation within the genus Polyosma (Escalloniaceae) of Australia, New Caledonia and Papuasia quantified the similarities within and between species from these geographical areas. This taxonomic review of the genus Polyosma recognizes 33 species for Papuasia, 12 of which are here described as new species, namely, P. affinis, P. alipensis, P. brassii, P. flenleyi, P. forbesii, P. glaberrima, P. infernaralis, P. ka mialiensis, P. leptorhachis, P. pachyrhachis, P. schulzemenzii, and P. scyphocalyx. Lectotypes are designated for P. finisterrae, P. forbesii, P. ilicifolia, P. integrifolia, P. macrobotrys, P. serrulata, P. torricellensis, and P. torricellensis var. pittosporoides, and neotypes for P. buxea, P. dentata, and P. helicioides.

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Naturalis Biodiversity Center
doi.org/10.3767/blumea.2024.69.01.07
Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Paul, O.K., Conn, B.J., & Henwood, M.J. (2024). Taxonomic review of Polyosma (Escalloniaceae) in Papuasia. Blumea: Biodiversity, Evolution and Biogeography of Plants, 69(1). doi:10.3767/blumea.2024.69.01.07