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单词 rudbeckia
释义

WordReference Random House Unabridged Dictionary of American English © 2024
rud•beck•i•a  (rud bekē ə, ro̅o̅d-),USA pronunciation n. 
  1. Plant Biologyany composite plant of the genus Rudbeckia, having alternate leaves and showy flower heads.
  • Neo-Latin; named after Olaus Rudbeck (1630–1702), Swedish botanist; see -ia
  • 1750–60

Collins Concise English Dictionary © HarperCollins Publishers::
rudbeckia /rʌdˈbɛkɪə/ n
  1. any plant of the North American genus Rudbeckia, cultivated for their showy flowers, which have golden-yellow rays and green or black conical centres: family Asteraceae (composites)
    See also black-eyed Susan
Etymology: 18th Century: New Latin, named after Olaus Rudbeck (1630–1702), Swedish botanist
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更新时间:2025/7/3 6:42:15