De Jong B. E., Malpure N. V., Mahalingam A., Succulent Euphorbia costatoalata sp. nov. (Euphorbiaceae) from southern India, Nordic Journal of Botany, 2026, 2026(1):e04855, doi: 10.1002/njb.04855
The paper describes Euphorbia costatoalata using fieldwork, herbarium specimens and microscopic examination of fresh cyathia and fruits. Comparison with E. tortilis covers habit, stem ribbing, glands, styles and seeds. The authors present its distribution in the southern Deccan and propose Data Deficient. The article appeared online in 2025, while its final journal citation assigns it to volume 2026, issue 1.