metasequoia : Idioms & Phrases
genus metasequoia
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noun genus of deciduous conifers comprising both living and fossil forms; 1 extant species: dawn redwood of China; variously classified as member of Pinaceae or Taxodiaceae
WordNet
metasequoia glyptostrodoides
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noun large fast-growing Chinese monoecious tree having flat bright-green deciduous leaves and small globular cones; commonly cultivated in United States as an ornamental; known as a fossil before being discovered in China
dawn redwood; metasequoia.