在子叶节区下部存在原始的外始式二原型十字形单中柱。

The primitive exarch and diarch haplostele with cross-like metaxylem exists in the lower part of CNZ.

youdao

在子叶节区下部存在原始的外始式二原型十字形单中柱。

The primitive exarch and diarch haplostele with cross-like metaxylem exists in the lower part of CNZ.

youdao