⚠ Version 1 of The Plant List has been superseded.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 Penstemon mexicanus in version 1.1 of The Plant List.

Penstemon mexicanus hort. ex Lindl. is a synonym of Tetranema roseum (M. Martens & Galeotti) Standl. & Steyerm.

This name is a synonym of Tetranema roseum (M. Martens & Galeotti) Standl. & Steyerm..

The record derives from Tropicos which reports it as a synonym (record 100351296) with original publication details: Edwards's Bot. Reg. 29: sub t. 52 sub t. 52 1843.