The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢的维管物(羊齿类)还有具胚珠的物的大孢叶是同的。
The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢的维管物(羊齿类)还有具胚珠的物的大孢叶是同的。
Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
在物的雌大量存在的结构,每个苞鳞都包含一个珠鳞。
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