铁树的英文怎么说

铁树的英文：
[Botany] a sago cycad

The first of these in the field of botany were the herbals
在植物学领域，这些最早的著作是本草书。

The coverage of the subject in his botany text is inadequate.
他的植物学教科书中对那题目的叙述不充分。

In those days botany was virtually synonymous with herbalism.
那时候植物学和本草学实际上是同义的。