The word "poison ash" is spelled in accordance with the International Phonetic Alphabet (IPA) as /ˈpɔɪz(ə)n æʃ/. The stress falls on the first syllable, marked by the symbol /ˈ/, while the American English pronunciation of "a" as /æ/ is used. The word is typically used to refer to a type of plant known for its poisonous properties. It is important to use correct spelling and pronunciation when referring to potentially dangerous plants in order to avoid any confusion or harm.
Poison ash, scientifically known as Toxicodendron pubescens, is a small deciduous tree or shrub native to North America. It belongs to the family Anacardiaceae, which also includes poison ivy and poison oak. Poison ash is primarily found in the Eastern and Central regions of the United States.
The tree typically reaches a height of 15 to 25 feet and is characterized by compound pinnate leaves consisting of 7 to 13 leaflets. The leaflets are elliptical in shape with serrated edges and can be glossy or dull in appearance. The bark is grayish-brown and smooth when young, but becomes rough and scaly as the tree matures.
The name "poison ash" stems from the toxic nature of the plant. Like its relatives, poison ivy and poison oak, poison ash secretes a resinous sap called urushiol, which can cause severe allergic reactions in humans upon contact. Exposure to poison ash may result in skin irritation, redness, itching, and the development of a painful rash characterized by blisters.
It is crucial to exercise caution when dealing with poison ash or any other member of the Toxicodendron family, as allergic reactions can vary in intensity among individuals. When encountering this plant, it is advisable to wear protective clothing and gloves, thoroughly rinse any exposed skin, and clean any tools or equipment that may have come into contact with the sap.