Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.

维管植花粉囊内包围孢子母细胞富含营养一层结构。

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

蕨类植是最早陆维管植，至今仍然是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.

心皮和能产孢子维管植（羊齿类）还有具胚珠裸子植大孢子叶是同源。