incertae sedis
Translingual
Wikispecies
Etymology
From Latin incertae (“of uncertainty”) + sedis (“seat”).
Noun
incertae sedis
- (taxonomy) A term applied to a taxon or group of taxa whose relationship with others is unknown or undecided.
- The placement of the genus Dipentodon? Well, in the APG II (2003) system it is listed as incertae sedis.