What does amentaceous mean?
The definition of amentaceous
Am`en*ta”ceous, a.
Etym: [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.