Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
孢圆形,沿
脉两侧各排成2-3行,无
盖。
Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
孢圆形,沿
脉两侧各排成2-3行,无
盖。
Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.
是一种起源于胎座(为叶表皮译者注)的瓣片状组织,覆盖在蕨类植物孢
在发育的孢
上。
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