Plantae > Tracheophyta > Magnoliopsida > Lamiales > Plantaginaceae > Penstemon > Penstemon glaber

Penstemon glaber (sawsepal penstemon; western smooth beardtongue)

Synonyms:

Infraspecies

Penstemon glaber var. alpinus (Alpine sawsepal penstemon)
Penstemon glaber var. brandegeei (Brandegee's penstemon)
Penstemon glaber var. speciosus

Attributes

Allergen Potential [1]  Low
Screening - Summer [2]  Moderate
Screening - Winter [2]  Porous
Bloom Period [2]  Late Spring
Drought Tolerance [2]  Medium
Fire Tolerance [2]  Medium
Frost Free Days [2]  3 months 10 days
Fruit/Seed Abundance [2]  High
Fruit/Seed Begin [2]  Summer
Fruit/Seed End [2]  Summer
Growth Form [2]  Multiple Stem
Growth Period [2]  Spring, Summer
Growth Rate [2]  Moderate
Leaf Type [2]  Deciduous
Lifespan [2]  Perennial
Propagation [2]  Seed
Regrowth Rate [2]  Slow
Root Depth [2]  14 inches (36 cm)
Seed Spread Rate [2]  Slow
Seed Vigor [2]  Medium
Seeds Per [2]  357499 / lb (788152 / kg)
Shape/Orientation [2]  Semi-Erect
Structure [3]  Shrub
Vegetative Spread Rate [2]  None
Flower Color [2]  Purple
Foliage Color [2]  Green
Fruit Color [2]  Brown
Flower Conspicuous [2]  Yes
Height [2]  24 inches (0.6 m)
Hardiness Zone Minimum [2]  USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°)
Light Preference [2]  Full Sun
Soil Acidity [2]  Neutral
Soil Fertility [2]  Intermediate
Water Use [2]  Moderate

Protected Areas

Providers

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
♦ 3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 4Clements, R. E., and F. L. Long. 1923, Experimental pollination. An outline of the ecology of flowers and insects. Washington, D.C., USA, Carnegie Institute of Washington.
♦ 5Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
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