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slender hawksbeard

Scientific Name: Crepis atribarba ssp. originalis

Family: Asteraceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Crepis atribarba - Slender Hawksbeard

Crepis atribarba, commonly known as slender hawksbeard, is a flowering plant belonging to the daisy family (Asteraceae).

Considerations for Pets

  • This plant exudes a milky residue when broken, which might be a concern for curious pets that may ingest it or come into contact with it.

Taxonomy and Nomenclature

  • Scientific Name: Crepis atribarba A. Heller
  • Common Names: Slender Hawksbeard, Dark Hawksbeard
  • Family: Asteraceae (Aster family)
  • Synonyms: The text mentions Crepis atribarba ssp. originalis, which is considered a synonym in some classifications.

Distribution and Habitat

  • Slender hawksbeard is a North American species.
  • It is found from Colorado west to Nevada and north to Saskatchewan.
  • Specific locations mentioned include areas east of the Cascade Mountains of Oregon and Washington, Johnson Creek Road SW of Lake Chelan, WA, Icicle Creek Rd. near Leavenworth, Chelan Co. WA USA, Benton County Horse Heaven Hills WA USA, and locations in Colorado.
  • It grows at elevations from 6,000 to 10,500 feet.

Morphological Characteristics

  • Crepis atribarba is a taprooted perennial that grows up to 70 cm tall.
  • It is slender in appearance with numerous yellow flowers.
  • The stems are erect and arise from the base, featuring narrow leaves.
  • The stem is gray, with upper branches having few matted hairs that become less hairy over time.
  • Fruits/Seeds are yellowish or brownish achene with slender white hairs at the tip.
  • The flowers are described as yellow and sharp-pointed.

Quirky Facts

  • One source whimsically describes the plant as "dandelion-looking" and part of the sunflower family.

Further Information

  • Dave's Garden is mentioned as a friendly community sharing tips and ideas for gardens.
  • MountainNature.com is referenced as a field guide for identifying plants of western North America.
  • Discover Life has a page about the biology, natural history, ecology, identification, and distribution of Crepis atribarba.
  • USDA NRCS PLANTS Database also features information about this plant, including images.