External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:90990-2
- Publication
- Flora Brasiliensis
- Collation
- 6(6): 38, t. 74
- Date of Publication
- 15 Feb 1888
- Family as entered in IPNI
- Rubiaceae