Manjianghong English name

Manjianghong. Exgriff。 ) Nakai is a small floating plant, belonging to Azolla. The plant body is oval or triangular, the rhizome is slender and transverse, the lateral branches are axillary, the branches are pseudodichotomous, and the fibrous roots are downward. Ye Xiaoru sesame, alternate, sessile, covered with tiles in two rows.