Summary ²

Toxicodendron radicans (Poison ivy; older synonyms Rhus toxicodendron, Rhus radicans) is a plant in the family Anacardiaceae. It is a woody vine that is well known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people, technically known as urushiol-induced contact dermatitis but it is not a true Ivy (Hedera).

Sources and Credits

1. (c) Shihmei Barger 舒詩玫, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/70668033@N00/3768096836
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Toxicodendron_radicans

More Info

• iNaturalist NZ taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

iNaturalist NZ Map