维管的

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、藓类和角苔以外的所有。

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

蕨类最早登陆的维管，至今仍然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（齿类）还有具胚珠的裸子的大孢子叶同源的。

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中。