Plant theory 2Ixoroideae is transferred to
Subphase 5. Coffea and other genera of
Ixoroideae have clear aspects of
Phase 5.
Plant theory 1Ixoroideae was placed in
Subphase 4.
TaxonomyIxoroideae is one of the 3 main subfamilies in
Rubiaceae. It contains Coffea and Gardenia. The most known is Ipecacuanha.