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Carolina larkspur

Scientific Name: Delphinium carolinianum ssp. virescens

Family: Ranunculaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Carolina Larkspur (Delphinium carolinianum)

Carolina Larkspur, also known as Blue Larkspur, Prairie Larkspur, Plains Larkspur, or Espuela del caballero, is a captivating wildflower native to the United States. Its delicate blooms and graceful stature add a touch of elegance to prairies and grasslands.

Considerations for Pets

  • This plant has spurred flowers.

Considerations for Children

  • This plant has spurred flowers.

Taxonomy and Nomenclature

  • Scientific Name: Delphinium carolinianum Walter
  • Family: Ranunculaceae (Buttercup family)
  • Subspecies:
    • Delphinium carolinianum ssp. calciphilum M.J. Warnock
    • Delphinium carolinianum subsp. carolinianum
    • Delphinium carolinianum ssp. virescens
    • Delphinium carolinianum ssp. vimineum
  • Synonyms: Delphinium azureum, Michx.

Distribution and Habitat

  • Native to the United States.
  • Found in prairies and grasslands.
  • Uncommon in mountain regions and rare in Piedmont and Coastal Plain areas.
  • Specifically mentioned as occurring in Colorado, Minnesota, Arkansas, and Illinois (where Delphinium tricorne is also native).
  • One source lists it as a state-listed endangered species in Florida.

Morphological Characteristics

  • Grows up to 4 feet tall.
  • Flowers bloom from May to July.
  • Flowers are typically blue, lavender, or white.
  • Flowers are described as irregular-shaped with a spur at the back and shaped like cornucopias.
  • Individual flowers are about 1/2 inch in size.
  • Forms a loose to dense spike-like cluster of 5-petaled flowers.

Habitat Preferences

  • Prefers part shade.
  • Requires medium to moderately dry moisture levels.
  • Adapts to a variety of soils, including clay.

Quirky Facts

  • The genus name, Delphinium, comes from the Greek word "delphinion," meaning "larkspur." This name is derived from the Greek word for "dolphin" because of the shape of some of the flowers.

Further Information

  • USDA-NRCS PLANTS Database
  • Plant Delights Nursery, Inc.
  • Dave's Garden
  • Discover Life