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单词 Russian knapweed
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Definition of Russian knapweed in English:

Russian knapweed

noun
  • 1A yellow-flowered knapweed, Centaurea ruthenica (rare).

  • 2A perennial Eurasian knapweed, Acroptilon repens (formerly included in the genus Centaurea), with pink-purple flowers and creeping roots, considered to be invasive weed in North America and certain other areas.

Origin

Early 20th century.

Definition of Russian knapweed in US English:

Russian knapweed

noun
  • 1A yellow-flowered knapweed, Centaurea ruthenica (rare).

  • 2A perennial Eurasian knapweed, Acroptilon repens (formerly included in the genus Centaurea), with pink-purple flowers and creeping roots, considered to be invasive weed in North America and certain other areas.

Origin

Early 20th century.

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更新时间:2025/6/19 17:57:48