The trees are a member of the same family as poison ivy, and like poison ivy, cashew plants contain a toxin called urushiol. It's found in the plant itself and the brown oil inside a nut's shell.

(250305) -- KAMPONG THOM, March 5, 2025 (Xinhua) -- This photo taken on March 4, 2025 shows cashew trees in Kampong Thom province, Cambodia. TO GO WITH "Feature: Nuts exports to China provide stable ...

For the best experience, please enable JavaScript in your browser settings. Apart from poor husbandry, the drop in cashew nut production has also been occasioned by ...