⚠ Version 1 of The Plant List has been superseded.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 Siphisia angustifolia in version 1.1 of The Plant List.
This name is a synonym of Aristolochia saccata var. angustifolia .
The record derives from Tropicos which reports it as a synonym (record 50217308
) with original publication details: Monatsber. Konigl. Preuss. Akad. Wiss. Berlin 1859: 603 603 1859.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:93807-1
.