Plantae > Tracheophyta > Magnoliopsida > Lamiales > Plantaginaceae > Penstemon > Penstemon diphyllus

Penstemon diphyllus (twoleaf beardtongue)

Synonyms: Penstemon triphyllus diphyllus (homotypic)

Attributes

Allergen Potential [1]  Low
Lifespan [2]  Perennial
Structure [2]  Shrub

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0