Translation

rootstock / underground stem

Meaning

A continuously growing horizontal underground stem that puts out lateral shoots and adventitious roots at intervals.

Examples

• Ginger is a popular culinary rhizome that spreads through the soil.
  生姜は料理によく使われる根茎で、土壌の中を広がっていきます。
• Many invasive grasses are difficult to eradicate because their rhizomes remain deep in the ground.
  多くの侵略的な雑草は、根茎が地中深くに残るため根絶が困難です。