Russian knapweed
English
Noun
Russian
knapweed
(
plural
Russian knapweeds
)
Rhaponticum repens
.
Synonym:
hardhead
Hypernyms:
knapweed
<
weed
<
plant
<
organism
(
rare
)
Centaurea ruthenica
.
Hypernyms:
knapweed
<
weed
<
plant
<
organism