Asian poison ivy
A plant (Rhus ambigua) found in East Asia, similar to North American poison ivy; contact can cause a rash.
I touched some Asian poison ivy in the mountains and got a rash.
Usually written in katakana; the kanji form 蔦漆 is rare.
Rare kanji form; learners will almost always encounter the katakana spelling.
Compound of 蔦 (つた, ivy) and 漆 (うるし, lacquer), referring to its ivy-like growth and irritant sap similar to lacquer.