As classified in WFO snapshot
December 2024
latest classification for this taxon
variety
Penstemon azureus var. angustissimus
This variety name was first published in Syn. Fl. N. Amer. 2(1): 272 (1878)
At the time of this classification snapshot, this variety name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0001395334.
Literature
Synonyms of Penstemon azureus var. angustissimus
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| Penstemon azureus subsp. angustissimus | Univ. Calif. Publ. Bot. 16: 402 (1932) | wfo-0001406306 |