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rattlesnake flower

Scientific Name: Brazoria truncata

Family: Lamiaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names:

       

Eryngium yuccifolium: Rattlesnake Master

Eryngium yuccifolium, commonly known as Rattlesnake Master, is a unique and striking herbaceous perennial native to North American prairies and savannas. Its unusual appearance and historical associations make it a fascinating addition to native plant gardens.

Common Names

  • Rattlesnake Master
  • Button Eryngo
  • Button Snakeroot
  • Yuccaleaf Eryngo
  • Beargrass
  • Bear's Smooth

Taxonomy and Nomenclature

  • Scientific Name: Eryngium yuccifolium Michx.
  • Family: Apiaceae (Parsley or Carrot family)
  • Plant Symbol: ERYU

Distribution and Habitat

  • Native to North America, specifically the tallgrass prairies of the Midwestern United States.
  • Found in rocky woods, prairies, and glades.
  • Also found in the southeastern United States.

Morphological Characteristics and Growth Habits

  • Perennial plant reaching 2-6 feet in height.
  • Stout, unbranched central stem.
  • Leaves are yucca-like, often described as spine-edged and silver. They are arranged in a rosette.
  • Distinctive flower heads: dense, spherical clusters of small, 5-petaled white flowers, ranging from 0.25 to 0.75 inches in diameter. These are often described as bristly and golf ball-like.

Considerations for Pets

  • The plant's leaves are described as "slightly spiny," which could pose a minor hazard to pets if they attempt to ingest or play with them.

Considerations for Children

  • The text mentions that the plant's leaves have "spine-edged silver foliage," which could present a minor risk of skin irritation or scratches if handled carelessly.

Quirky Facts

  • The name "Rattlesnake Master" comes from an old belief that the plant could ward off venomous snakes or even treat rattlesnake bites.
  • The plant's appearance is often compared to something from the Southwestern United States, despite being a prairie native.
  • It is sometimes referred to as a "second cousin to the carrot," due to its placement in the Apiaceae family.

Ecological Role and Interactions

  • Attracts beneficial insects to the garden.

Further Information

  • USDA NRCS Elsberry Plant Materials Center
  • Toadshade Wildflower Farm (mail order nursery in Frenchtown, NJ)
  • Dave's Garden (online gardening community)
  • Native American Seed