APG III Classification: Domain: Eukaryota • (unranked): Archaeplastida • Regnum: Plantae • Cladus: angiosperms • Cladus: eudicots • Cladus: core eudicots • Cladus: rosids • Cladus: eurosids II • Ordo: Sapindales • Familia: Rutaceae • Subfamilia: Spathelioideae • Genus: Ptaeroxylon Eckl. & Zeyh.
Wikispecies has an entry on:
- Included species (for GRIN & NCBI & The Plant List, ):
- P. obliquum
- Included species (for Tropicos, ):
- P. obliquum, P. utile
- Note: list containing potentially synonyms
- Type species Ptaeroxylon utile Eckl. & Zeyh.