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Acrogens

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Acrogen \Ac"ro*gen\, noun [Gr. 'a'kros extreme, high + -gen.] (Bot.) A plant of the highest class of cryptogams, including the ferns, etc. See {Cryptogamia}.

{The Age of Acrogens} (Geol.), the age of coal plants, or the carboniferous era.

From WordNet (r) 3.0 (2006) [wn]:

acrogen

noun

1: any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem


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