Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
维管植物花粉囊内包围孢子母细含营养物质一层结构。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
维管植物花粉囊内包围孢子母细含营养物质一层结构。
Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.
蕨类植物是最早陆维管植物,至今仍然是态系统初级重要组成部分。
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。
声明:以上例句、词性分类均由互联网资源自动成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。