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

所有的具有水平根状茎，许多也具有垂直根状茎，在一些中，也察到无性殖(无融合殖)。

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.

克隆是利用物技术由无性殖产个体有完全相同基因组之后代的过程，它是现代命科学的一项重要技术。