episporangium

厚壁孢囊, 外孢囊

词形变化

episporangia 复数 episporangia

释义与例句

n.
  1. 1.

    The indusium of a fern when it overlies the sporangium, as in Aspidium.

    生物 植物学

词源

epi- + sporangium

来源:wiktionary