Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管系统的物。即除了地钱、藓类和外的所有物。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类物是最早登陆的维管物，至今仍然是态系统初级产力的重要组成部分。

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

心皮和能产孢的维管物（羊齿类）还有具胚珠的物的大孢叶是同源的。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱类型存在于象莱尼蕨这样一些著名的原始维管物中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化为维管系统的植物。即除了地钱、藓类和角苔以外的所有植物。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植物最早登陆的维管植物，至今仍态系统初级产力的重要分。

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同源的。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱类型存在于象莱尼蕨这样一些著名的原始维管植物中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管系统的。即除了地钱、藓和角苔以外的所有。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

是最早登陆的维管，至今仍然是态系统初级产力的重要组成部分。

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

心皮和能产孢子的维管（羊齿）有具胚珠的裸子的大孢子叶是同源的。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱型存在于象莱尼这样一些著名的原始维管中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成系统的植物。即除了地钱、藓和角苔以外的所有植物。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨植物是最早登陆的植物，至今仍然是态系统初级产力的重要组成部分。

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

心皮和能产孢子的植物（羊齿）还有具胚珠的裸子植物的大孢子叶是同源的。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中存在于象莱尼蕨这样一些著名的原始植物中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管植物。即除了地钱、藓类和角苔以外所有植物。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植物是最早登陆维管植物，至今仍然是态级产要组成部分。

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

心皮和能产孢子维管植物（羊齿类）还有具胚珠裸子植物大孢子叶是同源。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱类型存在于象莱尼蕨这样一些著名原始维管植物中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管系统植物。即除了地钱、藓类和角所有植物。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植物是最早登陆维管植物，至今仍然是态系统初级产力重要组成部分。

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

心皮和能产孢维管植物（羊齿类）还有具胚珠植物大孢叶是同源。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱类型存在于象莱尼蕨这样一些著名原始维管植物中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为管系统植物。即除了地钱、藓类和角苔以外所有植物。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植物是最早登管植物，至今仍然是态系统初级产力重要组成部分。

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

心皮和能产管植物（羊齿类）还有具胚珠裸植物大叶是同源。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱类型存在于象莱尼蕨这样一些著名原始管植物中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管系统的。即除了地钱、藓和角苔以外的所有。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨是最早登陆的维管，至今仍然是态系统初级产力的重要组成部分。

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

心皮和能产孢子的维管（）还有具胚珠的裸子的大孢子叶是同源的。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱型存在于象莱尼蕨这样一些著名的原始维管中。

Tracheophyte (Tracheophyta) Any plant with a differentiated vascular system; i.e. all plants except the liverworts, mosses, and hornworts.

任何具有分化成为维管系统的。即除了地钱、藓和角苔以外的所有。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

是最早登陆的维管，至今仍然是态系统初级产力的重要组成部分。

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

心皮和能产孢子的维管（羊齿）有具胚珠的裸子的大孢子叶是同源的。

On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.

这种中柱型存在于象莱尼这样一些著名的原始维管中。