tumbleweed

• Nom désignant une plante ou une touffe de végétaux desséchés qui se détache de ses racines en automne et est emportée par le vent en roulant sur le sol, typique des régions arides ou semi-arides d'Amérique du Nord.

A noun referring to a plant that breaks away from its roots in autumn and is driven by the wind as a light rolling mass, commonly found in arid regions of North America.

1. Wind-blown plantB2formalamericanscientific

   Any plant that detaches from its roots in autumn and is rolled across the ground by the wind as a light, spherical mass.

   plante roulante

   • A tumbleweed rolled across the empty desert road.
   • The wind carried the tumbleweed through the dusty town.
   • In autumn, the fields are full of dried tumbleweeds.

2. Prickly invasive plantC1formalamericanscientific

   A bushy, prickly plant native to Eurasia that has become a troublesome weed in central and western parts of the United States.

   Chardon roulant

   • Farmers struggle to control the spread of this prickly tumbleweed.
   • The invasive tumbleweed has taken over large areas of pastureland.
   • This species of tumbleweed is particularly difficult to eradicate.

   Synonymesrussian thistle

3. C1formalamericanscientific

   A bushy annual weed of central North America, characterized by greenish flowers and winged seeds.

   Amarante à racine pivotante

   • The bushy tumbleweed with its winged seeds spreads quickly across the plains.
   • This North American tumbleweed produces thousands of seeds each season.
   • Greenish flowers appear on the tumbleweed before it dries and breaks away.

4. Western US bushB2informalamerican

   A bushy plant native to the western United States that forms a tumbleweed when dry.

   virevoltant (plante des prairies)

   • The western tumbleweed is a common sight in cowboy movies.
   • Hikers often see dried tumbleweeds caught on fences in the West.
   • This bushy plant turns into a tumbleweed after it dies in the summer heat.

   Synonymesrussian thistle