Steinmetz:Erigeron

Erigeron canadensis

Also known as (or relevant to) Erigeron canadensis Leptilon canadense Family Compositae English Names Canadian Butterweed Canadiarian Fleabane Canadian - Coltstail Prideweed Squaw weed Horseweed Natural Habitat Canada North- and Central U. S. A. Central and Southern Europe India South Africa Part(s) Used Herba Erigerontis canadensis Oleum Erigerontis

Constituent(s) tannic acid gallic acid volatile oil resin amine bitter principle Action herb: haemostatic diuretic astringent tonic sedative. It is a specific in uterine haemorrhage. - Oil: vermifuge. In the U. S. A. the plant causes a mild degree of hay fever but in other countries it is a doubtful cause