Acacia catechu (Senegalia catechu) - Terra Japonica
"CONSTITUENTS: Catechu, tannic acid, catechin, quercetin, Catechu-red, gum.
PREPARATIONS: Tinctura Catechu Composita. Compound Tincture of Catechu. Dose: from ten to forty minims.
Therapy: A tonic astringent indicated in diarrheas where the discharges are serous, very watery in character-large fluid discharges, with mucus. It will relieve intestinal hemorrhage, when the above diarrheas are present, and the mucous membranes are relaxed, and out of tone. If combined with stimulant tonics or aromatics it is more serviceable. With special uterine tonics, it will be found advantageous in menorrhagia."
(Finley Ellingwood: The American Materia Medica, Therapeutics and Pharmacognosy, 1915)