⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50314814, with some changes.

Penstemon geniculatus Greene is a synonym of Penstemon confertus var. geniculatus (Greene) Jeps.

This name is a synonym of Penstemon confertus var. geniculatus (Greene) Jeps..

The record derives from Tropicos which reports it as a synonym (record 50314814) with original publication details: Pittonia 3(18D): 310-311 310 1898.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187419-2.