indusium

常見(jiàn)例句

• Sori borne near the costule, indusium spherical, membranous.
  孢子囊群靠近中脈著生；囊群蓋球形，膜質(zhì)。
• Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.
  囊群蓋：是一種起源於胎座（應(yīng)爲(wèi)葉表皮譯者注）的瓣片狀組織，覆蓋在蕨類(lèi)植物孢子囊群中正在發(fā)育的孢子囊上。
• Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
  孢子囊群圓形，沿中脈兩側(cè)各排成2-3行，無(wú)囊群蓋。
• 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對(duì)，生於末廻裂片下麪近基部小脈頂耑；囊群蓋成熟時(shí)對(duì)開(kāi)2裂。
• indusium dehiscent in two equal halves when mature.
  囊群蓋成熟時(shí)對(duì)開(kāi)2裂。
• any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori.
  一種帶有兜帽或像貍藻的膜一般的孢子囊的冷蕨屬植物。
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