Definition

Noun: 1. A specific plant species: A tufted perennial herb native to the southwestern United States, scientifically known as Oxytropis lambertii or related species within the Oxytropis genus. It is characterized by its growth in clumps (tufts) and its flowers, which range in color from purple or pink to white. This plant is a type of locoweed, which is known for being toxic to livestock if ingested.

Usage Notes

• "Purple locoweed" is a compound noun that serves as the common name for this specific plant. It is typically used in botanical, agricultural, and ecological contexts.
• The term is often written with a space ("purple locoweed") but can also be found hyphenated ("purple-locoweed") or as a single word ("purplelocoweed"), especially in scientific or technical writing.
• It is important to distinguish this specific plant from other species also called "locoweed."

Examples of Usage

• Noun:
  • Ranchers in New Mexico are concerned about the spread of purple locoweed in the pastures.
  • The botanist identified the flowering plant as purple locoweed, noting its distinctive pinkish-purple petals.
  • Grazing animals that consume purple locoweed can develop a neurological condition known as locoism.

Advanced Usage

• The term may appear in scientific literature using its binomial nomenclature, , with "purple locoweed" listed as its common name.

Variants and Related Words

• Lambert's locoweed: Another common name for the same plant species ().
• Locoweed (n): The general term for various plants in the genera and that are poisonous to livestock.
• Point locoweed (n): A related species, , sometimes confused with or referenced alongside purple locoweed.

Synonyms

• Botanical name:
• Lambert's locoweed (n)

Notes on Different Meanings

• The word "purple" in the compound specifies the typical flower color, distinguishing it from other locoweeds with yellow or white flowers.
• "Locoweed" itself is a compound from the Spanish word "loco" (crazy) and "weed," referring to the neurological effects the plant has on animals. Therefore, "purple locoweed" literally means "the crazy-making weed with purple flowers."

Noun

1. tufted locoweed of southwestern United States having purple or pink to white flowers