Barringtonia calyptrocalyx Isotype: Papua New Guinea, Constantinhafen, Hollrung 551 (WRSL) Papua New Guinea, Constantinhafen, Hollrung 551 Holotype: Papua New Guinea, Constantinhafen, Hollrung 551 (B) Tappenbeck 22 Holotype: Tappenbeck 22 Lectotype: Tappenbeck 22 (WRSL)