Breynia subgenus Hemisauropus is reduced to Breynia section Cryptogynium. Arguments are given to regard the Breynia quadrangularis complex as a single species.

Breynia section Cryptogynium, Breynia quadrangularis complex, Euphorbiaceae, Phyllanthaceae, Sauropus
dx.doi.org/10.3767/blumea.2017.62.02.02
Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

van Welzen, P.C. (2017). Reduction of Breynia subgenus Hemisauropus to B. section Cryptogynium and discussion of the B. quadrangularis complex (Phyllanthaceae). Blumea: Biodiversity, Evolution and Biogeography of Plants, 62, 90–91. doi:10.3767/blumea.2017.62.02.02