挺てい幹かん

noun

caudex

Botanical term for the persistent, often woody base of a perennial plant, from which new growth arises annually.

• この植しょく物ぶつの挺てい幹かんは、毎まい年とし新あたらしい茎くきを出だす。

  The caudex of this plant sends out new stems every year.