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pteridophyte

n. 羊齿类

羊齿类

WordNet (r) 3.0 (2006) (WordNet)

pteridophyte
n 1: plants having vascular tissue and reproducing by spores
[synonym: {pteridophyte}, {nonflowering plant}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Pteridophyta \Pter`i*doph"y*ta\, n. pl. [NL., from Gr. ?, ?, a
fern ? a plant.] (Bot.)
A class of flowerless plants, embracing ferns, horsetails,
club mosses, quillworts, and other like plants. See the Note
under {Cryptogamia}. -- {Pter"i*do*phyte`}, n.
[1913 Webster]

Note: This is a modern term, devised to replace the older
ones acrogens and vascular Cryptogamia.
[1913 Webster]

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英文字典中文字典相关资料:

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