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cottonweed

   Also found in: Wikipedia 0.01 sec.
cot·ton·weed  (ktn-wd)
n.
Any of various plants having cottony down, as some species of the genus Froelichia.

cottonweed [ˈkɒtənˌwiːd]
n
1. (Life Sciences & Allied Applications / Plants) a downy perennial plant, Otanthus maritimus, of European coastal regions, having small yellow flowers surrounded by large hairy bracts: family Asteraceae (composites)
2. (Life Sciences & Allied Applications / Plants) any of various similar plants
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.cottonweedcottonweed - an American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts
everlasting, everlasting flower - any of various plants of various genera of the family Compositae having flowers that can be dried without loss of form or color
Anaphalis, genus Anaphalis - a genus of herbs of north temperate regions having hoary leaves: pearly everlasting
2.cottonweed - any of various plants of the genus Froelichia found in sandy soils and on rocky slopes in warmer regions of America; grown for their spikes of woolly white flowers
Froelichia, genus Froelichia - genus of erect or procumbent herbs of the Americas having spikes of woolly white flowers: cottonweed
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests


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In our work, we studied a wide variety of plants: clover, alfalfa, and corn grown under controlled conditions in a research greenhouse and grass and cottonweed from outside our laboratory.
 
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