Holtonia Standl.
, Trop. Woods 30: 28, 37 (1932).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:297375-2
- Publication
- Tropical Woods; a Technical Journal Devoted to the Furtherance of Knowledge of Tropical Woods and Forests and to the Promotion of Forestry in the Tropics
- Collation
- 30: 28, 37
- Family as entered in IPNI
- Rubiaceae