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indusium

I 开头单词

基本解释

  • n.[植]柱头下毛圈；囊群盖

同根派生

     

英汉例句

  • Sori borne near the costule, indusium spherical, membranous.
    孢子囊群靠近中脉著生；囊群盖球形，膜质。
  • Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.
    囊群盖：是一种起源于胎座（应为叶表皮译者注）的瓣片状组织，覆盖在蕨类植物孢子囊群中正在发育的孢子囊上。
  • Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
    孢子囊群圆形，沿中脉两侧各排成2-3行，无囊群盖。
  • Sori 1-5 pairs borne on the lower surface of ultimate lobes at the end of basal veins; indusium dehiscent in two equal halves when mature.
    孢子囊群1-5对，生于末回裂片下面近基部小脉顶端；囊群盖成熟时对开2裂。
  • indusium dehiscent in two equal halves when mature.
    囊群盖成熟时对开2裂。