All the seagrasses have horizontal rhizomes, and many species have vertical rhizomes.In some seagrass species, clonal reproduction, via apomict, was also observed.

所有的海草都具有水平根状，许多海草也具有垂直根状，些海草中，也察到性生(合生)。

Cloning is the process that an offspring which has the same genomes with matriline is procreated by using agamogenesis technology.And Cloning technology is an important technology in life science.

克隆是利用生物技术由性生产生与原个体有完全相同基因组之后代的过程，它是现代生命科学的项重要技术。