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placenta

The ovary was trilocular with axile placentation and the ovule was anatropous, biteguminous and crassinucellate.

3,中轴。胚珠倒生,双珠被,厚珠心型。

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(应为叶表皮译者注)瓣片状组织,覆盖在蕨类植物孢囊群中正在发育囊上。

Simple ovary, the placentation is brink.The ovules are campylotropous.The ovule is bitegmic and crassinucellate.The megaspore archesporium is initiated from sub-epidermis of nucellus.

要矮沙冬青单心皮1,边缘,弯生胚珠,胚珠具双珠被、厚珠心。

A dry, dehiscent fruit of the Cruciferae (Brassicaceae), typically less than twice as long as wide, with two valves separating from the persistent placentae and septum (replum).

短角果 Silicle 十字花科一种开裂干果,果长小于二倍果宽,两个心皮瓣片从宿和(假)隔膜处(框)分开。

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胎位不正, 胎型, 胎样心音, 胎痣, 胎组织瘤, 胎座, 胎座的, , 台板, 台北,