Alstonia
Allen, Supplement to the Encyclopedia of Pure Materia Medica, 1879, Vol. X, p. 284
Alstonia (constricta ?).
Dr. Augustus Cathcart, Am. Horn., vol. i, p. 142, effects of large doses (from the bark).
Invariably producing great debility and general prostration, or low fever —often also with diarrhoea—and when pushed sufficiently far, rigors, sweats (usually cold), and other symptoms Resembling fever and ague.