Definition of spotted knapweed in English:

spotted knapweed

Syllabification: spot·ted knap·weed

Entry from US English dictionary

noun

A biennial herb of European origin with pink flowers on prickly stems. It is established across most of North America and is regarded as a noxious weed nearly everywhere.
  • Centaurea biebersteinii, family Compositae

Definition of spotted knapweed in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up