indusium
基本解釋
- n.[植]柱頭下毛圈；囊群蓋
英漢例句
- 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2裂。 - indusium dehiscent in two equal halves when mature.
囊群蓋成熟時(shí)對(duì)開2裂。