Rhus diversiloba

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Definition

Noun: * A poisonous shrub native to the Pacific coast of North America, characterized by causing a skin rash upon contact. It is a specific species within the sumac genus (Rhus).

Usage Notes
  • This is a scientific or botanical term. In everyday conversation, this plant is more commonly referred to by its general name, poison oak.
  • The term is used in formal, academic, or scientific contexts such as botany, ecology, or medical descriptions of plant-induced dermatitis.
Examples
  • The hiker developed a severe rash after brushing against Rhus diversiloba.
  • Rhus diversiloba is commonly found in chaparral and woodland areas of California.
  • A key identifying feature of Rhus diversiloba is that its leaves resemble those of an oak tree.
Advanced Usage
  • The species name refers to the plant's diversely lobed leaves.
  • In taxonomic classification, belongs to the family Anacardiaceae.
Variants and Related Words
  • Poison Oak (n.): The common name for and similar species.
  • Toxicodendron diversilobum (n.): A synonymous scientific name sometimes used in modern botanical taxonomy, reclassifying it from the genus.
  • Urushiol (n.): The oily organic compound found in that causes the allergic skin reaction.
Synonyms
  • Poison oak
  • Western poison oak
Related Phrases/Idioms
  • "Leaves of three, let it be": A common warning rhyme to help identify and avoid poison oak (and poison ivy), as typically has leaves grouped in threes.
Noun
  1. poisonous shrub of the Pacific coast of North America that causes a rash on contact

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