Muthukumar, M., Kumar, T. S., & Rao, M. V. (2017). Phenology and seed germination of the Indian Screw Tree Helicteres isora L. (Malvales: Malvaceae). Journal of Threatened Taxa, 9(12), 11040–11044. https://doi.org/10.11609/jott.3058.9.12.11040-11044