| 释义 | Carduus
 carduus(ˈkɑːdjʊəs) n (Plants) a thistle, esp the species Carduus benedictusThesaurus| Noun | 1. |  Carduus - genus of annual or perennial Old World prickly thistlesgenus Carduusasterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubsaster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinniaCarduus crispus, welted thistle - European biennial introduced in North America having flower heads in crowded clusters at ends of branchesCarduus nutans, musk thistle, nodding thistle - Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar | 
 Carduus
 Carduus(plumeless thistle), a genus of thorny plants of the family Compositae. There are about 120 species, distributed in Eurasia and northern Africa. The USSR has more than 30 species. The musk thistle (C. nutans), the welted thistle (C. crispus), and C. acanthoides grow as weeds in fields and along roads. Some species are nectar-bearers. The Russian common name for the genus—chertopolokh—is also used to designate other thorny plants of the same family (mainly in the genera Cirsium and Xanthium) or of other families (for example, Eryngium planum of the family Umbelliferae). CarduusRelated to Carduus: Carduus crispus, Carduus nutans, Cirsium
 Synonyms for Carduusnoun genus of annual or perennial Old World prickly thistlesSynonymsRelated Wordsasterid dicot genusaster familyAsteraceaeCompositaefamily Asteraceaefamily CompositaeCarduus crispuswelted thistleCarduus nutansmusk thistlenodding thistle
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