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Exothecium

资料来源 : pyDict

外层; 蒴外层; 蒴外层

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

Exothecium \Ex`o*the"ci*um\, n. [NL. See {Exotheca}.] (Bot.)
   The outer coat of the anther.
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