Oxalis xishuiensis (Oxalidaceae), a new species from Danxia landforms in Guizhou, China

Researchers have identified Oxalis xishuiensis, a new species of Oxalidaceae, from the Danxia landforms in Xishui County, Guizhou, China. This discovery is notable for its distinct morphological traits compared to its closest relative, O. wulingensis, including nearly square-shaped lateral leaflets, shorter peduncles, elongated capsules (1.2–1.5 cm), and alveolate seeds. The study highlights the botanical diversity of Danxia landforms, which are renowned for their colorful rock formations and unique ecosystems. The identification was based on detailed morphological comparisons, emphasizing the importance of field surveys in uncovering new species within protected natural sites like UNESCO World Heritage areas.

Yang, Y.-B., Li, H., An, M.-T., Huang, L., Hu, G.-X., Yang, C.-H., & Dai, Z.-X. (2024). Oxalis xishuiensis (Oxalidaceae), a new species from Danxia landforms in Guizhou, China. PhytoKeys, 239, 267–273. https://doi.org/10.3897/phytokeys.239.119046