⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Rhamphicarpa neghellensis in version 1.1 of The Plant List.
This name is a synonym of Cycnium tubulosum .
The record derives from Tropicos which reports it as a synonym (record 29206220
) with original publication details: Nuovo Giorn. Bot. Ital. 47: 36 36 1940.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:808694-1
.