The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢子植物(羊齿类)还有具胚珠裸子植物大孢子叶是同。
The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢子植物(羊齿类)还有具胚珠裸子植物大孢子叶是同。
Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
在裸子植物雌球果中大量存在结构,每个苞鳞一个珠鳞。
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