Penstemon procerus var. procerus

Familia: Plantaginaceae
Tribus: Cheloneae
Genus: Penstemon
Subgenus: P. subg. Penstemon
Sectio: P. sect. Penstemon
Subsection: P. subsect. Proceri
Species: Penstemon procerus
Varietas:

Penstemon procerus Douglas ex Graham var. procerus autonym

• Heterotypic
  • Lepteiris parviflora Raf. in New Fl. 2: 73 (1837)
  • Penstemon micranthus Nutt. in J. Acad. Nat. Sci. Philadelphia 7: 45 (1834)
  • Penstemon pononii T.Moore & Mast. in Gard. Chron. 1872: 733 (1872)
  • Penstemon procerus f. albescens B.Boivin in Naturaliste Canad. 93: 1062 (1966 publ. 1967)
  • Penstemon procerus var. fimbriatus Regel in Gartenflora 21: 241 (1872)
  • Penstemon procerus f. jenkinsii B.Boivin in Naturaliste Canad. 87: 43 (1960)
  • Penstemon procerus var. micrantus (Nutt.) M.E.Jones in Bull. Montana State Univ., Biol. Ser. 15: 45 (1910)
  • Penstemon procerus subsp. pulvereus Pennell in Contr. U.S. Natl. Herb. 20: 366 (1920)
  • Penstemon spicatus T.Moore & Mast. in Gard. Chron. 1872: 733 (1872)
  • Penstemon tinctus Pennell in Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 6 (1941)

• Graham, R. 1829. Edinburgh New Philosophical Journal 7: 348.

• 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. 2025. Penstemon procerus var. procerus. Published online. Accessed: Jyly 19 2025. Reference page.
• Govaerts, R. et al. 2025. Penstemon procerus var. procerus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 July 19. Reference page. 
• Tropicos.org 2025. Penstemon procerus var. procerus. Missouri Botanical Garden. Published online. Accessed: 19 July 2025. Reference page.

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