Piper emarginellum Sw. ex Wikstr. in Kongl. Vetensk. Acad. Handl. 1827: 56. 1827 Piper emarginellum Sw. ex Wikstr. in Kongl. Vetensk. Acad. Handl. 1827: 56. 1827Holotype: Forsström s.n.Taxon for this namePiper emarginellum Sw. ex Wikstr. in Kongl. Vetensk. Acad. Handl. 1827: 56. 1827