Family: Asteraceae
Author: Nutt.
Bibliography: J. Acad. Nat. Sci. Philadelphia 7: 29 (1834)
Year: 1834
Status: accepted
Rank: species
Genus: Crepis
Vegetable: False
Observations: W. & C. Canada to W. & WC. U.S.A.
Description
Gray hawk’s-beard, known scientifically as Crepis occidentalis, is a captivating member of the Asteraceae family. First described by Nutt. in a seminal work that appeared in the Journal of the Academy of Natural Sciences of Philadelphia in 1834, this species stands out for its distinctive characteristics and wide geographical distribution.
This plant can be observed across a range spanning from Western and Central Canada to the Western and West-Central United States. Its adaptability to a variety of climates and soil types in these regions makes it a remarkable example of botanical versatility.
Crepis occidentalis is easily recognizable by its grayish-green foliage and vibrant yellow flower heads, which bear a striking resemblance to those of the common dandelion. These flower heads are composite, consisting of many small florets that come together to form a singular, eye-catching bloom. The plant often grows in clusters, creating a picturesque display in its natural habitat, which can include open fields, meadows, and rocky slopes.
The ecological role of Gray hawk’s-beard is equally significant. As a member of the Asteraceae family, it contributes to the biodiversity and health of its ecosystem. The flowers attract a variety of pollinators, including bees and butterflies, which are crucial for the pollination of many other plant species.
In addition to its ecological importance, Crepis occidentalis has piqued the interest of botanists and naturalists since its discovery. Its adaptive strategies, such as drought resistance and its ability to thrive in various soil types, make it a subject of study for understanding plant resilience and survival strategies in diverse environments.
Despite its hardiness, the Gray hawk’s-beard faces threats from habitat destruction and invasive species. Conservation efforts are vital to ensure that this plant continues to thrive in its native regions and to maintain the ecological balance of these habitats.
In conclusion, Gray hawk’s-beard (Crepis occidentalis) is not only a visually striking plant but also an important member of its ecosystem. Its history, importance to pollinators, and the challenges it faces underscore the need for continued conservation efforts to protect this valuable species for future generations.
Common Names
Eng: gray hawk’s-beard, largeflower hawksbeard, western hawk’s-beard, western hawksbeard, grey hawksbeard, large-flowered hawksbeard
Fra: crépis de l’ouest
En: Gray hawk’s-beard, Western hawk’s-beard, Largeflower hawksbeard, LARGE-FLOWER HAWK’S-BEARD, WESTERN HAWKSBEARD, Grey hawksbeard, Large-flowered hawksbeard
Fr: Crépis de l’Ouest
Synonyms
- Psilochenia occidentalis ((Nutt.) Nutt.)
Distribution
- Alberta (native)
- Arizona (native)
- British Columbia (native)
- California (native)
- Colorado (native)
- Idaho (native)
- Montana (native)
- Nevada (native)
- New Mexico (native)
- Oregon (native)
- Saskatchewan (native)
- South Dakota (native)
- Utah (native)
- Washington (native)
- Wyoming (native)
Additional Images
Flower
Taken Feb 16, 2013 by EOL − Barry Breckling (cc-by-nc-sa)
Taken May 8, 2012 by EOL − Barry Breckling (cc-by-nc-sa)
Taken Oct 5, 2003 by EOL − Dianne Fristrom (cc-by-sa)
Taken May 8, 2012 by EOL − Barry Breckling (cc-by-nc-sa)
Taken Feb 8, 2021 by James Rush (cc-by-sa)
Leaf
Taken May 18, 2019 by Chris Kantarian (cc-by-sa)
Taken Nov 27, 2005 by EOL − Steve Matson (cc-by-nc)
Habit
Taken Aug 23, 2001 by EOL − Dean Wm. Taylor (cc-by-nc-sa)
Taken Aug 9, 2011 by EOL − Gerald and Buff Corsi (cc-by-nc-sa)
Taken Jan 18, 2015 by EOL − Richard Spellenberg (cc-by-nc-sa)
Taken Feb 17, 2013 by EOL − Gary A. Monroe (cc-by-nc)
Taken Oct 18, 2004 by EOL − Gerald and Buff Corsi (cc-by-nc-sa)
Fruit
Taken Jun 29, 2008 by EOL − Steve Matson (cc-by-nc)
Bark
Taken Feb 17, 2013 by EOL − Gary A. Monroe (cc-by-nc)
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
Sources
- WFO (No URL)
- IPNI (No URL)
- GBIF (https://www.gbif.org/species/5403548)
- POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:200113-1)
- PlantNet (https://identify.plantnet.org/species/the-plant-list/Crepis occidentalis Nutt.)
Specifications
Growth form>: Single Crown
Growth habit>: Forb/herb
Growth rate>: Moderate
Growth
Ph maximum: 7.5
Ph minimum: 5.7