jalapa : named after the town Jalapa or Xalapa in Mexico, state Veracruz at the Bay of Campeche, from where the true purgative jalap root (Exogonium purga Benth.) was exported. The tubererous root of Mirabilis jalapa L. i.e. the false jalap, resembles those of the true jalap and was formerly used as surrogate [Backer]
 
4951801 674867 Mirabilis jalapa L. N.F. Regnault, Botanique, vol. 1 : t. 17 (1774)
 
1691591 674867 Mirabilis jalapa L. A. Stahl, Estud. Fl. Puerto-Rico: (1883-1888) [A. Stahl]
 
4329276 556768 Ipomoea jalapa (L.) Pursh [125 270882 Convolvulus jalapa L.] C. Plumier, Mss., vol. 4 (Botanicon Americanum seu historia plantarum Americanis insulis nascentium): t. 112 (1689-1697) [C. Plumier]