裸子植物的

Areography of the gymnosperms of China (1): Distribution of the Pinaceae of China.

中国裸子物区研究(1)——松科物地理.

The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.

皮和能产生孢子维管物（羊齿类）还有具胚珠裸子物大孢子叶是同源。

Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.

裸子物雌球果中大量存构，每个苞鳞都包含一个珠鳞。