资料来源 : Webster's Revised Unabridged Dictionary (1913)

Achlamydeous \Ach`la*myd"e*ous\, a. (Bot.)
   Naked; having no floral envelope, neither calyx nor corolla.

资料来源 : WordNet®

achlamydeous
     adj : not having a floral envelope or perianth [ant: {chlamydeous}]