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
,
苞鳞都包含一
珠鳞。
Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
在裸子植物雌球果中大量存在
结
,
苞鳞都包含一
珠鳞。
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