You selected Oxymitra macrantha Hemsl. This is a synonym for:

Accepted scientific name:
Goniothalamus grandiflorus (Warb.) Boerl. (accepted name) 1 literature reference for Goniothalamus grandiflorus (Warb.) Boerl.
Synonyms:
Beccariodendron grandiflorum Warb. (synonym) 1 literature reference for Beccariodendron grandiflorum Warb.
Mitrephora grandiflora (Warb.) Engl. (synonym) 1 literature reference for Mitrephora grandiflora (Warb.) Engl.
Oxymitra macrantha Hemsl. (synonym) 1 literature reference for Oxymitra macrantha Hemsl.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Magnoliales
Family Annonaceae
Genus Goniothalamus
Distribution: -
Additional data: -
Source database: AnnonBase, 1.1, Oct 2006
Latest taxonomic scrutiny: Saunders R. M. K. et al. in prep.,
Online resource: http://herbarium.botanik.univie.ac.at/annonaceae/listSynonyms.php?ID=50558
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:dea1d700-29c1-102b-9a4a-00304854f820:ac2010