Sugai, K., Setsuko, S., Hayama, K. and Kato, H. 2025. New Callicarpa (Lamiaceae) taxa: Two species and a natural hybrid from Hahajima Island, Ogasawara Islands, Japan. Phytotaxa. 736, 1 (Dec. 2025), 1–11. DOI:https://doi.org/10.11646/phytotaxa.736.1.1.