Ptychosperma singaporense Becc. species synonym

Drymophloeus singaporensis (Becc.) Hook.f. species synonym

Rhopaloblaste princeps W.Bull species doubtful

Rhopaloblaste arfakiana Becc. ex Martelli species accepted

Rhopaloblaste micrantha Burret species heterotypic synonym

Rhopaloblaste ledermanniana Becc. species accepted

Rhopaloblaste brassii H.E.Moore species synonym

Rhopaloblaste ceramica (Miq.) Burret species accepted

Cyrtostachys ceramica (Miq.) H.Wendl. species synonym

Rhopaloblaste hexandra Scheff. species synonym

Rhopaloblaste dyscrita H.E.Moore species synonym

Bentinckia ceramica Miq. species synonym

Rhopaloblaste elegans H.E.Moore species accepted

Rhopaloblaste gideonii Banka species accepted

Rhopaloblaste augusta (Kurz) H.E.Moore species accepted

Ptychoraphis augusta (Kurz) Becc. species synonym

Areca augusta Kurz species synonym

Rhopaloblaste singaporensis (Becc.) Benth. & Hook.f. species accepted

Ptychoraphis singaporensis (Becc.) Becc. species synonym

Ptychoraphis longiflora Ridl. species synonym

Ptychosperma singaporensis Becc. species synonym

Rhopaloblaste micrantha Benth. & Hook.f., 1883 species accepted

Ptychoraphis cagayensis Becc., 1919 species doubtful

Rhopaloblaste arfakiana Becc. species homotypic synonym