释义 |
knapweed noun[ U ] uk /ˈnæp.wiːd/ us /ˈnæp.wiːd/ any of several wild plants with strong stems and purple flowers, often found in grass or on the sides of roads: On the grassy banks along the track, wild flowers such as cranesbill and knapweed grow. The road verges were thick with purple flower heads of knapweed. Spotted knapweed will very quickly drive out other plants. Drought weakens native plants and offers an opening for knapweed to take hold. Another approach is to control the knapweed with natural predators. SMART Vocabulary: related words and phrases Flowers & flowering plants aconite adam-and-eve aeonium African daisy agapanthus edelweiss eglantine elderflower elephant ear erythronium loosestrife lords-and-ladies lotus love-in-a-mist lupin sedum sego lily self-heal senecio sensitive plant
You can also find related words, phrases, and synonyms in the topics: Common plants |