External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:12098-2
- Publication
- Annals of the Missouri Botanical Garden. St. Louis, Missouri
- Collation
- 15: 417, t. 52, figs. 21-22
- Family as entered in IPNI
- Apocynaceae
Type Information
- Distribution Of Types
- Texas (South-Central U.S.A., Northern America)