Guaiacum unijugum merupakan tumbuhan dari famili Zygophyllaceae. Tumbuhan ini berasal dari bioma gurun pasir atau sabana kering di wilayah Meksiko (Baja California Sur). Nama ilmiah Guaiacum unijugum diperkenalkan oleh Townshend Stith Brandegee pada tahun 1915.
POWO (2024). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://powo.science.kew.org/."
IPNI (2024). "International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Herbarium"
USDA - NRCS (2024). "United States Department of Agriculture - Natural Resources Conservation Service", Plant Profile.
