Russian thistle

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of several species of genus Salsola and its close relatives, prickly shrublike annuals, especially Salsola tragus (syn. Kali tragus, which is the best-known kind of tumbleweed in the US.
  2. 2
    prickly bushy Eurasian plant; a troublesome weed in central and western United States wordnet
  3. 3
    Salsola australis Australia

Etymology

From Russian + thistle: believed to have been introduced to North America from Russia, and is prickly like a thistle.