ciliata consists of two elements, the robust and short filamentous chloronema which is composed of ~ oblate cells and th丝状绿丝体一般由～个短粗柱状细胞组成; 而轴丝体则是由多数细长柱形细胞构成,其上间隔分布有～个细胞组成的棒状体,初生假根有或者无。