Here you will find one or more explanations in English for the word Amentaceous.
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Amentaceous
Amentaceous Am`en*ta"ceous, a. [LL. amentaceus.] (Bot.)
(a) Resembling, or consisting of, an ament or aments; as, the
chestnut has an amentaceous inflorescence.
(b) Bearing aments; having flowers arranged in aments; as,
amentaceous plants.
Meaning of Amentaceous from wikipedia