591. Bidens bipinnata.—Spanish needles.

Botanical name: 

591. BIDENS BIPINNATA Torrey and Gray.—SPANISH NEEDLES. An indigenous herb, popularly used as an emmenagogue. Dose: 15 to 60 gr. (1 to 4 Gm.).


A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.