noun
jalap; Ipomoea purga
A Mexican climbing plant, Ipomoea purga, whose tuberous roots were historically used as a purgative. The term is primarily botanical or historical.
from Spanish jalapa
ヤラッパはメキシコ原産のつる植物で、かつて薬用に使われた。
Jalap is a climbing plant native to Mexico, formerly used medicinally.