地ち下か茎けい

noun

underground stem; rhizome

Botanical term for stems that grow horizontally underground, such as rhizomes, tubers, and corms. Contrasts with 地上茎 (above-ground stem).

See also: 地上茎

• 竹たけは地ち下か茎けいで広ひろがる。

  Bamboo spreads by underground stems.

• この植しょく物ぶつの地ち下か茎けいは食しょく用ようになる。

  The underground stem of this plant is edible.