External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:80719-3
- Publication
- Bibliotheca Botanica. Kassel
- Collation
- 89: 621
- Date of Publication
- Dec 1929
- Family as entered in IPNI
- Rubiaceae
Nomenclatural Notes
in obs.