⚠ Version 1 of The Plant List has been superseded.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 azureus in version 1.1 of The Plant List.
- The Plant List
- Penstemon azureus var. angustissimus
Penstemon azureus var. angustissimus
is a synonym
of Penstemon azureus subsp. angustissimus
This name is a synonym of Penstemon azureus subsp. angustissimus .
The record derives from Tropicos which reports it as a synonym (record 29207724) with original publication details: Syn. Fl. N. Amer. 2(1): 272 272 1878.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187189-2.