⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35143253, with some changes.
This name is a synonym of Pterigynandrum filiforme f. heteropterum .
The record derives from Tropicos which reports it as a synonym (record 35143253
) with original publication details: Eur. N. Amer. Bryin. 1: 47 47 1897.