A North American climbing plant of the cashew family that secretes an irritant oil from its leaves, which can cause dermatitis.
- Rhus radicans, family Anacardiaceae.
- Ground ivy and poison ivy grow in shade, while dead nettle, dandelions, and clover thrive in fertile soil.
- In April a small tractor had been used to disc-harrow much of the poison ivy, bittersweet, bayberry, and grass cover, leaving the soil soft and free of vegetation.
- The poison ivy should not really affect the vegetables, but I would remove the poison ivy, making sure to get all of the root system.
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Syllabification: poi·son i·vy
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