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

心皮和能产生孢子的维（羊齿类）还有具胚珠的裸子的大孢子叶是同源的。

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

中国裸子分布区的究(1)——松科的地理分布.

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

在裸子的雌球果中大量存在的结构，每个苞鳞都个珠鳞。

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（羊齿类）还有具胚珠裸大孢同源。

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

中国裸分布区究(1)——松科地理分布.

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

在裸雌球果中大量存在结构，每个苞鳞都包含一个珠鳞。

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

心皮和能产生孢子维管（羊齿类）还有具胚珠裸子孢子叶是同源。

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

国裸子分布区究(1)——松科地理分布.

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

在裸子雌球量存在结构，每个苞鳞都包含一个珠鳞。

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

心皮和能产生孢子的维管植物（羊齿）还有具胚珠的裸子植物的大孢子叶是同源的。

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

中国裸子植物分布区的究(1)——松科植物的地理分布.

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

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。

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

心皮和能产生孢的维管植物（羊齿类）还有具胚珠的植物的大孢叶是同源的。

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

中植物布区的究(1)——松科植物的布.

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

在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。

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

心皮和能产生孢子的维管（齿类）还有具胚珠的裸子的大孢子叶是同源的。

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

中国裸子分布区的究(1)——松科的地理分布.

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

在裸子的雌球果中大量存在的结构，每个苞鳞一个珠鳞。

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

心皮和能产生孢子的维管植物（羊齿类）还有具胚珠的子植物的大孢子叶是同源的。

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

子植物区的究(1)——松科植物的地.

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

在子植物的雌球果大量存在的结构，每个苞鳞都包含一个珠鳞。

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

心产生孢子的维管植物（羊齿类）还有具胚珠的裸子植物的大孢子叶是同源的。

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

中国裸子植物分布区的究(1)——松科植物的地理分布.

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

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。

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

心皮和能产生孢子的维管植物（羊齿）还有具胚珠的裸子植物的大孢子叶是同源的。

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

中国裸子植物布区的究(1)——松科植物的地理布.

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。