Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
在裸子植物的雌球果中大量存在的结构,每个苞鳞都包含一个珠鳞。
Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
在裸子植物的雌球果中大量存在的结构,每个苞鳞都包含一个珠鳞。
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