rhus diversiloba
Học thuậtThân thiện
A hiker carefully avoids touching the rhus diversiloba growing beside the trail.
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.
A hiker carefully avoids touching the rhus diversiloba growing beside the trail.
Noun
- poisonous shrub of the Pacific coast of North America that causes a rash on contact