Definition

Noun: 1. A small Asian tree (Toxicodendron vernicifluum, formerly Rhus verniciflua): A tree native to East Asia, known for yielding a toxic sap from which lacquer is produced. 2. Source of lacquer: The tree is cultivated for its sap, which is processed to create the durable coating known as lacquer or urushi.

Usage Examples

• Noun:
  • The Japanese sumac is highly valued in traditional crafts for its sap.
  • Lacquer artists must handle the sap of the Japanese sumac with great care due to its toxic properties.
  • The leaves of the Japanese sumac turn a brilliant red in the autumn.

Advanced Usage

• Botanical Context: In botanical and horticultural writing, "Japanese sumac" specifically refers to , distinguishing it from other sumac species. It is often discussed in the context of traditional materials and arboreal toxins.
  • The cultivation of the Japanese sumac for lacquer production has a long history in Japan and China.

Variants and Related Words

• Lacquer tree: A more common name for the same species.
• Varnish tree: Another synonym, highlighting one of its uses.
• Toxicodendron vernicifluum: The modern scientific name.
• Rhus verniciflua: The former scientific name.
• Urushi: The Japanese name for both the tree and the lacquer derived from it.

Synonyms

• Lacquer tree
• Varnish tree
• Urushi tree

Notes on Meaning

• Caution: It is critical to note that "Japanese sumac" is not a typical ornamental sumac. It belongs to the same genus as poison ivy (), and its sap contains urushiol, a potent allergen that can cause severe skin irritation. This distinguishes it fundamentally from the non-toxic sumacs (genus ) commonly found in other regions.

Noun

1. small Asiatic tree yielding a toxic exudate from which lacquer is obtained