knotweed
英 ['nɒtwi:d] 美 ['nɒtˌwid]

n.

紫菀科植物，蓼科杂草；节草；

英英释义

Knotweed

• Knotweed is a common name for plants in several genera in the Polygonaceae family

以上来源于:Wikipedia

权威例句

Invasive knotweed affects native plants through allelopathy.
Effect of common knotweed (Polygonum aviculare) on abundance and efficiency of insect predators of crop pests.
Stream ecosystems respond to riparian invasion by Japanese knotweed (Fallopia japonica)
Invasion of diverse habitats by few Japanese knotweed genotypes is correlated with epigenetic differentiation
Green frogs show reduced foraging success in habitats invaded by Japanese knotweed.
Evidence for massive clonal growth in the invasive weed Fallopia japonica (Japanese Knotweed).
Evidence for massive clonal growth in the invasive weed Fallopia japonic a (Japanese Knotweed) 
Asexual spread versus sexual reproduction and evolution in Japanese Knotweed s.l. sets the stage for the “Battle of the Clones”
Plasticity in salt tolerance traits allows for invasion of novel habitat by Japanese knotweed s. l. (Fallopia japonica and F.xbohemi...
Hollingsworth ML, Bailey JP. Evidence for massive clonal growth in the invasive weed Fallopia japonica (Japanese Knotweed). Bot J Li...