释义 |
Definition of knotweed in English: knotweednoun ˈnɒtwiːdˈnätwēd mass noun1A plant of the dock family, which typically has sheaths where the leaves join the stems and is often an invasive weed. Polygonum and other genera, family Polygonaceae: several species, in particular Japanese knotweed Example sentencesExamples - Another plant that has done well in our garden this year is a knotweed, labelled Persicaria filiformes ‘Variegata’.
- Abundant goosefoot, some knotweed (both erect knotweed and other species), some wild rice, and seeds of various grasses and weeds were also recovered.
- Barberry, knotweed, and ailanthus are just some of the horticultural immigrants that continue to out-compete many of our indigenous species.
- A knotweed is so called because its roots are knotted or twisted; bistort means twice twisted.
- Dock-leaved knotweed appeared in 1998, and overwhelmingly dominated the submergent littoral zone in 1999.
- 1.1 Knotgrass.
Definition of knotweed in US English: knotweednounˈnätwēd 1A plant of the dock family that typically has sheaths where the leaves join the stems. It is often an invasive weed. Polygonum and other genera, family Polygonaceae: several species, in particular Japanese knotweed Example sentencesExamples - Another plant that has done well in our garden this year is a knotweed, labelled Persicaria filiformes ‘Variegata’.
- Barberry, knotweed, and ailanthus are just some of the horticultural immigrants that continue to out-compete many of our indigenous species.
- Abundant goosefoot, some knotweed (both erect knotweed and other species), some wild rice, and seeds of various grasses and weeds were also recovered.
- A knotweed is so called because its roots are knotted or twisted; bistort means twice twisted.
- Dock-leaved knotweed appeared in 1998, and overwhelmingly dominated the submergent littoral zone in 1999.
- 1.1 Knotgrass.
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