Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.
是一种起源(应为叶表皮译者注)的瓣片状组织,覆盖在蕨植物子囊群中正在发育的子囊上。
Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.
是一种起源(应为叶表皮译者注)的瓣片状组织,覆盖在蕨植物子囊群中正在发育的子囊上。
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