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Toxicodendron Pubescens

Toxicodendron Pubescens

Description

Toxicodendron pubescens, commonly known as poison ivy, is a plant species in the cashew family. It is native to North America and can be found in many parts of the continent, from Canada to Mexico. The plant is known for its characteristic three-leaf clusters, which can vary in size and shape. The leaves are typically green in color, but may turn yellow, orange, or red in the fall. The plant produces small white or green flowers in the spring and summer, followed by small white or green berries in the fall.

Taxonomic Information

Domain Eukarya
Kingdom Plantae
Phylum Tracheophyta
Class Magnoliopsida
Order Sapindales
Family Anacardiaceae
Genus Toxicodendron

Appearance

Poison ivy can grow as a vine or as a shrub and can reach up to 3 feet in height. The leaves are typically oval in shape and have three leaflets, but may also have five or seven leaflets. The leaves can range from 2 to 6 inches in length and are green in color, but may turn yellow, orange, or red in the fall. The plant produces small white or green flowers in the spring and summer, followed by small white or green berries in the fall. The plant’s stem and roots may also contain a toxic sap that can cause skin irritation.

Care Guide

Poison ivy is a hardy plant that can grow in a variety of conditions. It prefers moist, well-drained soil and full to partial sunlight. The plant is drought-tolerant and does not require regular watering. Fertilization is not necessary, but can be beneficial in poor soil conditions. The plant is hardy in USDA zones 3 to 10.

Common Pests & Diseases

Poison ivy is not typically affected by pests or diseases. However, deer may browse on the plant, and it is susceptible to damage from herbicides and mowing.

Habitat

Poison ivy can be found in many parts of North America, from Canada to Mexico. It grows in a variety of habitats, including forests, fields, and along roadsides. The plant is often found growing in areas with disturbed soil, such as along the edges of trails or near construction sites.

Question and Answer

Q: Is poison ivy always toxic to humans?

A: Yes, the plant contains a toxic sap that can cause skin irritation in most humans.

Q: How can I avoid coming into contact with poison ivy?

A: Wear long sleeves and pants when hiking or working in areas where poison ivy may be present. Wash any exposed skin with soap and water immediately after coming into contact with the plant.

Q: Can pets be affected by poison ivy?

A: Yes, pets can also develop skin irritation from contact with the plant.

Q: Can poison ivy be safely removed from my property?

A: Yes, but it is important to wear protective clothing and gloves when handling the plant, and to dispose of it properly to avoid spreading the toxic sap.

Related Plants

  • Toxicodendron radicans (eastern poison ivy)
  • Toxicodendron diversilobum (western poison oak)
  • Toxicodendron vernix (poison sumac)

References

  • “Toxicodendron pubescens.” Missouri Botanical Garden. Accessed July 26, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b612.
  • “Poison Ivy.” The United States National Arboretum. Accessed July 26, 2021. https://www.usna.usda.gov/Gardens/collections/toxicplants/toxic-plant-families/anacardiaceae-poison-ivy.
  • “Poison Ivy.” National Park Service. Accessed July 26, 2021. https://www.nps.gov/articles/poison-ivy.htm.

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