Japanese varnish tree

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Definition
  1. Noun:
    • A deciduous tree (Koelreuteria paniculata) native to Asia, widely cultivated in warm regions like the southern United States for ornamental purposes. It is characterized by attractive, maple-like compound leaves, long clusters of yellow-green flowers, and distinctive, papery, bladder-like seed pods.
    • A small Asian tree (Toxicodendron vernicifluum, formerly Rhus verniciflua) that yields a toxic sap from which lacquer is obtained.
Usage Examples
  • Noun:
    • The Japanese varnish tree in the park is stunning when its yellow flower racemes bloom in summer.
    • Traditional artisans source raw lacquer from the sap of the Japanese varnish tree.
Advanced Usage
  • Horticultural Context: The term is used in gardening and landscaping to refer to the ornamental , also commonly known as the goldenrain tree or pride of India.
    • The Japanese varnish tree is prized for its tolerance to urban pollution and drought.
  • Botanical/Industrial Context: The term refers to in discussions of traditional crafts, botany, or allergenic plants, as its sap contains urushiol, which can cause severe dermatitis.
    • Working with the raw sap of the Japanese varnish tree requires great caution due to its toxic properties.
Variants and Related Words
  • Goldenrain tree: A common name for .
  • Pride of India: Another common name for .
  • Lacquer tree: A more precise common name for .
  • Varnish tree: A broader term that can refer to various trees yielding lacquer or resin.
Synonyms
  • For the ornamental tree (): goldenrain tree, pride of India, China tree.
  • For the lacquer-producing tree (): lacquer tree, varnish tree.
Notes on Meaning

This term has two distinct botanical referents, which can cause ambiguity. The primary modern usage in English, especially in horticulture, typically refers to the ornamental Koelreuteria paniculata. The older, more specific usage refers to the Toxicodendron vernicifluum, the true source of Asian lacquer. Context is essential for determining which tree is meant.

Noun
  1. deciduous tree widely grown in southern United States as an ornamental for its handsome maplelike foliage and long racemes of yellow-green flowers followed by curious leaflike pods
  2. small Asiatic tree yielding a toxic exudate from which lacquer is obtained

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