Ptyssiglottis nigrescens (Merr.) B.Hansen
, Opera Bot. 116: 40 (1992): (1992).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:969647-1
- Publication
- Opera Botanica a Societate Botanica Lundensi. Lund, Copenhagen
- Collation
- 116: 40 (1992):
- Date of Publication
- 1992
- Family as entered in IPNI
- Acanthaceae