The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢维管植物(羊齿类)还有具胚珠
植物
大孢
叶是
。
The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
心皮和能产生孢维管植物(羊齿类)还有具胚珠
植物
大孢
叶是
。
Areography of the gymnosperms of China (1): Distribution of the Pinaceae of China.
中国植物分布区
究(1)——松科植物
地理分布.
Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
植物
雌球果中大量存
结构,每个苞鳞都包含一个珠鳞。
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