⚠ Version 1 of The Plant List has been superseded.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 Sphenostigma hintonii in version 1.1 of The Plant List.
This name is a synonym of Calydorea longispatha .
The record derives from Tropicos which reports it as a synonym (record 50003256
) with original publication details: Not. Mens. Mus. Nac. Hist. Nat. 249: 7 7 1977.