haustrum

haustrum

1. The haustrum structure of the two were similar and both were composed of parenchyma and spiral vessel.

北桑寄生叶较薄，叶脉发达，无栅栏组织和海绵组织的分化。

2. In addition .there occurred difference in the structure of cotyledonary haustrum and other storages.

此外在子叶吸器的结构和其它贮藏物等方面也存在差异。