单词 | ageratum |
释义 | ag·er·a·tum (ăj′ə-rātəm) n. 1. Any of various tropical American plants of the genus Ageratum in the composite family, especially A. houstonianum, cultivated for their fluffy blue, purple, pink, or white flower heads. 2. Any of several other plants having flower clusters similar to those of ageratum. [New Latin Agēratum, genus name, from Greek agēraton, a plant (perhaps a type of rosemary), neuter of agēratos, ageless : a-, without; see A-1 + gēras, old age; see gerə-1 in the Appendix of Indo-European roots.] |
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