Hammad Ahmad JanWahid HussainRainer W. BussmannNarel Y. Paniagua-Zambrana2026-03-222026-03-22202110.1007/978-3-030-45597-2_237-2https://doi.org/10.1007/978-3-030-45597-2_237-2https://andeanlibrary.org/handle/123456789/82342enGentianaceaeGentianaTraditional medicineBiologyBotanySwertia angustifolia Burkill Swertia chirayita Buch.-Ham. ex C.B. Clarke Swertia cordata (G.Don) Clarke Swertia petiolata D. Don Gentianaceaebook-chapter