| 释义 |
Definition of Russian knapweed in English: Russian knapweednoun 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.
Definition of Russian knapweed in US English: Russian knapweednoun 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.
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