Rhus radicans
markweed markweed n. A climbing plant ({Toxicodendron radicans}) common in eastern and central U. S. with ternate leaves and greenish flowers followed by white berries. It yields an irritating oil that causes a rash on contact; commonly called {poison ivy}.

Syn: poison ivy, poison mercury, poison oak, {Toxicodendron radicans}, {Rhus radicans}. [WordNet 1.5]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Rhus radicans — Poison Poi son, n. [F. poison, in Old French also, a potion, fr. L. potio a drink, draught, potion, a poisonous draught, fr. potare to drink. See {Potable}, and cf. {Potion}.] 1. Any agent which, when introduced into the animal organism, is… …   The Collaborative International Dictionary of English

  • Rhus radicans — poison ivy, a North American species that causes rhus dermatitis; it is usually a climbing vine, but a variant called Rhus rydbergii is free standing. Called also Toxicodendron radicans …   Medical dictionary

  • Rhus radicans — noun climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact • Syn: ↑poison ivy, ↑markweed, ↑poison mercury, ↑poison oak …   Useful english dictionary

  • Rhus radicans L. — Symbol TORAR Synonym Symbol RHRA6 Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus radicans L. var. littoralis (Mearns) Deam — Symbol TORAR Synonym Symbol RHRAL Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus radicans L. var. littoralis (Mearns) Deam — Symbol TORAR Synonym Symbol RHRAL Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus radicans L. var. malacotrichocarpa (A.H. Moore) Fernald — Symbol TORAR Synonym Symbol RHRAM2 Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus radicans L. var. malacotrichocarpa (A.H. Moore) Fernald — Symbol TORAR Synonym Symbol RHRAM2 Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus radicans L. var. rydbergii (Small ex Rydb.) Rehder — Symbol TORY Synonym Symbol RHRAR Botanical Family Anacardiaceae …   Scientific plant list

  • Rhus radicans L. var. rydbergii (Small ex Rydb.) Rehder — Symbol TORY Synonym Symbol RHRAR Botanical Family Anacardiaceae …   Scientific plant list

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