Penstemon speciosus

Taxonavigation

Taxonavigation: Lamiales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Lamiids Ordo: Lamiales

Penstemon speciosus Douglas ex Lindl.

Homotypic
- Chelone speciosa (Douglas) Jacques in Ann. Fl. Pomone 4: 29 (1835), nom. illeg.
- Penstemon glaber var. speciosus (Douglas) Regel in Gartenflora 24: 34 (1875)
- Penstemon glaber f. speciosus (Douglas) Voss in Vilm. Blumengärtn., ed. 3. 1: 766 (1894)
- Penstemon speciosus subsp. typicus D.D.Keck in Amer. Midl. Naturalist 23: 612 (1940), not validly publ.
Heterotypic
- Penstemon deserticola Piper in Proc. Biol. Soc. Washington 32: 43 (1919)
- Penstemon kennedyi A.Nelson in Proc. Biol. Soc. Washington 17: 97 (1904)
- Penstemon pilifer A.Heller in Muhlenbergia 2: 136 (1906)
- Penstemon rex A.Nelson & J.F.Macbr. in Bot. Gaz. 55: 381 (1913)
- Penstemon speciosus subsp. kennedyi (A.Nelson) D.D.Keck in Amer. Midl. Naturalist 23: 613 (1940)
- Penstemon speciosus var. pilifer (A.Heller) Munz & I.M.Johnst. in Bull. S. Calif. Acad. Sci. 23: 35 (1924)

Native distribution areas:
Continental: Northern America Regional: Western USA California, Idaho, Nevada, Oregon, Utah, Washington References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Flora of North America Editorial Committee (2019). Flora of North America North of Mexico 17: 1-737. Oxford University Press, New York, Oxford.

International Plant Names Index. 2017. Penstemon speciosus. Published online. Accessed: Nov. 02 2017. Reference page.
Govaerts, R. et al. 2017. Penstemon speciosus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2017 Nov. 02. Reference page.
Tropicos.org 29201487. 02. Missouri Botanical Garden. Published online. Accessed: Nov. 2017 29201487. Reference page.
USDA, ARS, Germplasm Resources Information Network. Penstemon speciosus in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.