Definition

Noun: * Ghost Weed: A common name for a specific, highly toxic annual plant (Euphorbia marginata) native to the western United States. It is characterized by its showy white-bracted flower clusters and a poisonous, milky sap. It is also known as "snow-on-the-mountain."

Usage

• "Ghost weed" is used as a singular, countable noun to refer to the plant itself. It is primarily a botanical term and a regional common name.
• Example: "Be careful not to touch the ghost weed; its milky sap can cause severe skin irritation."

Examples

• The hillside was dotted with the distinctive white and green foliage of ghost weed.
• Due to its toxicity, ghost weed is often removed from areas where livestock graze.

Advanced Usage

• The term is used in ecological and botanical contexts to describe a plant that is both ornamental and hazardous.
• It can sometimes be used metaphorically in literature to describe something that is deceptively beautiful but dangerous.

Variants and Related Words

• Snow-on-the-mountain: Another common name for the same plant ().
• Spurge: The common name for plants in the genus , to which ghost weed belongs.
• Euphorbia marginata: The scientific (Latin) name for the plant.

Synonyms

• Snow-on-the-mountain
• Variegated spurge (descriptive)
• (scientific)

Notes on Meaning

• The name "ghost weed" likely refers to the plant's striking, pale white bracts which can have a ghostly appearance.
• The "weed" part of the name indicates it is often found growing wild and can be invasive.
• Its primary defining characteristic, beyond its appearance, is its very poisonous milk (latex sap).

Noun

1. annual spurge of western United States having showy white-bracted flower clusters and very poisonous milk