biostudies-literatureUnknown239Song ZQ<i>Phyllanthodendron</i> can be readily morphologically distinguished from <i>Glochidion</i>, but recent molecular evidence showed that <i>Phyllanthodendron</i> is paraphyletic due to <i>Glochidion</i> being nested within it. In this study, a new species of the former <i>Phyllanthodendron</i> is described and illustrated as <i>Glochidionyangchunense</i> Z.Q. Song & Gang Yao from the limestone areas of South China. This is a peculiar new species and morphologically distinguished by its discoid flowers, T-shaped disc segments, and glabrous flowering branches. A key to <i>Glochidionyangchunense</i> and related species in China is provided here.PhytoKeys229-238https://www.ebi.ac.uk/biostudies/studies/S-EPMC10979177biostudies-literature<i>Glochidionyangchunense</i> (Phyllanthaceae), a new species with discoid flowers from Guangdong Province, China.PMC10979177Yao GSong ZQfalse<i>Glochidionyangchunense</i> (Phyllanthaceae), a new species with discoid flowers from Guangdong Province, China.<i>Phyllanthodendron</i> can be readily morphologically distinguished from <i>Glochidion</i>, but recent molecular evidence showed that <i>Phyllanthodendron</i> is paraphyletic due to <i>Glochidion</i> being nested within it. In this study, a new species of the former <i>Phyllanthodendron</i> is described and illustrated as <i>Glochidionyangchunense</i> Z.Q. Song & Gang Yao from the limestone areas of South China. This is a peculiar new species and morphologically distinguished by its discoid flowers, T-shaped disc segments, and glabrous flowering branches. A key to <i>Glochidionyangchunense</i> and related species in China is provided here.2024-01-01T00:00:00Z20242025-04-22T08:24:14.053Z2025-04-05T22:31:22.786ZS-EPMC109791773855963410.3897/phytokeys.239.118411