Penstemon_angustifolius

<i>Penstemon angustifolius</i>

Penstemon angustifolius

Species of flowering plant

Penstemon angustifolius is a perennial semi-evergreen forb belonging to the plantain family. This species is 1 out of roughly 273 species of Penstemon.[1][2] This species is also known as broadbeard beardtongue. This forb is native to central United States and can be noticed by its brightly and highly variable colored flowers.[1]

Quick Facts Penstemon angustifolius, Conservation status ...
Penstemon angustifolius with beetle on petal.

Description

Penstemon angustifolius can grow between 4 and 24 inches tall. Their basal leaves range from 2–9.5 cm in length. This species stems are a thick, waxy, gray-green. The flowers can be a range of colors, from pink and blue to lavender which bloom from April to June.[1]

Distribution and habitat

This species is found in the west-central United States extending from Montana and North Dakota to Arizona, New Mexico, and Kansas.[3] They can be found in the Great Plains and the Rocky Mountains. They are drought tolerate and live in sandy soil with good drainage.[3][1] These plants grow near each other in groups that can be found at elevations of 1200–2200 m.[1]

Ecology

This plant is useful in preventing wind erosion in its native environment. Deer and insects are known to eat parts of the penstemon plant.[3] Native bees especially enjoy this plant and the seeds are used by birds, rodents, ants and bees.[1] Penstemon weevils are an observed herbivore of this plant.[4]

Culture and use

Penstemon angustifolius have been cultivated as early as the 1800s. Native Americans have been recorded to use the plant roots medicinally. Additionally the pigment from the petals has been used to paint moccasins by the Lokota.[5] This plant can be used in landscaping and as a garden plant in xeriscaping situations.[6]

References

  1. [1]
    Penstemon angustifolius, USDA Natural Resources Conservation Service PLANTS Profile, 2 February 2024
  2. [2]
    "Western USA wildflowers: narrowleaf beardtongue, Penstemon Angustifolius". www.americansouthwest.net. Retrieved 2023-12-06.
  3. [3]
    "Southwest Colorado Wildflowers, Penstemon angustifolius". www.swcoloradowildflowers.com. Retrieved 2023-11-20.
  4. [4]
    Ogle, D., Peterson, S., St. John, L. 2013. Plant Guide for Palmer’s penstemon (Penstemon palmeri). USDA-Natural Resources Conservation Service, Plant Materials Center. Aberdeen, Idaho 83210.
  5. [5]
    Stevens, Mikel (2020). The Heart of Penstemon Country: A Natural History of Penstemons in the Utah Region. Sweetgrass Books. pp. 70–73. ISBN 978-1591522614.
  6. [6]
    "Penstemon angustifolius" (PDF). USDA NRCS Plant Fact Sheet. United States Department of Agriculture. Archived from the original (PDF) on 1 August 2017. Retrieved 2 February 2024.


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