tubers

tubers from which plants obtain nourishment.

植物得吸收养分的块茎。

At the stage of tuberization to tuber-expanding, the growth of leaves, stalks and tubers reached the maximum.

块茎形成到块茎膨大始期，阶段吸硫量和吸硫速率均达到最大，成熟收获时降到最低。

Stem with much reduced leaf blades that function as rhizoids below ground, with or without tubers or rhizomes.

在地下面，起假根的作用的茎具非常退化叶片，有或没有块茎或根状茎。