JALAPS
Noun
jalaps
plural of jalap
Source: Wiktionary
JALAP
Jal"ap, n. Etym: [F., fr. Sp. jalapa; -- so called from Jalapa, a
town in Mexico, whence it was first obtained.] (Med.)
Definition: The tubers of the Mexican plant Ipomoea purga (or Exogonium
purga), a climber much like the morning-glory. The abstract, extract,
and powder, prepared from the tubers, are well known purgative
medicines. Other species of Ipomoea yield several inferior kinds of
jalap, as the I. Orizabensis, and I. tuberosa. False jalap, the root
of Mirabilis Jalapa, four-o'clock, or marvel of Peru.
Source: Webster’s Unabridged Dictionary 1913 Edition