You selected Unona millenii Engl. & Diels. This is a synonym for:

Accepted scientific name:
Friesodielsia gracilis (Hook. f.) Steenis (accepted name) 1 literature reference for Friesodielsia gracilis (Hook. f.) Steenis
Synonyms:
Cleistopholis platypetala (Benth.) Engl. & Diels (synonym) 1 literature reference for Cleistopholis platypetala (Benth.) Engl. & Diels
Oxymitra gracilis (Hook. f.) Sprague & Hutch. (synonym) 1 literature reference for Oxymitra gracilis (Hook. f.) Sprague & Hutch.
Oxymitra platypetala Benth. (synonym) 1 literature reference for Oxymitra platypetala Benth.
Richella gracilis (Hook. f.) R. E. Fr. (synonym) 1 literature reference for Richella gracilis (Hook. f.) R. E. Fr.
Unona millenii Engl. & Diels (synonym) 1 literature reference for Unona millenii Engl. & Diels
Uvaria gracilis Hook. f. (synonym) 1 literature reference for Uvaria gracilis Hook. f.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Magnoliales
Family Annonaceae
Genus Friesodielsia
Distribution: -
Additional data: -
Source database: AnnonBase, 1.1, Oct 2006
Latest taxonomic scrutiny: Steenis C. G. J. van, 1964
Online resource: http://herbarium.botanik.univie.ac.at/annonaceae/listSynonyms.php?ID=48866
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:dea31304-29c1-102b-9a4a-00304854f820:ac2010