1. (noun) in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America

• genus toxicodendron

1. (noun) in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America

• anacardiaceae
• family anacardiaceae
• sumac family

1. (noun) in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America

• chinese lacquer tree
• japanese lacquer tree
• japanese sumac
• japanese varnish tree
• lacquer tree
• rhus verniciflua
• toxicodendron vernicifluum
• varnish tree
• eastern poison oak
• rhus quercifolia
• rhus toxicodenedron
• toxicodendron quercifolium
• markweed
• poison ivy
• poison mercury
• poison oak
• rhus radicans
• toxicodendron radicans
• poison ash
• poison dogwood
• poison sumac
• rhus vernix
• toxicodendron vernix
• rhus diversiloba
• toxicodendron diversilobum
• western poison oak

1. (noun) in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America

• dicot genus
• magnoliopsid genus