Buttercup caustic (Ranunculus acer L.)

Buttercup caustic – herbaceous perennial, representing the Ranunculaceae family Other names: oil flower, burning grass, gouty grass, night blindness


A perennial herbaceous plant with a rather elevated erect, branched stem upwards, with a short rhizome and numerous roots collected in a dense bunch. The lower leaves are on petioles, expanded into the vagina from below, rounded-pentagonal in shape, 5-7 palmately dissected, upper sessile, three-dissected. The flowers are golden yellow on long stalks. Buttercup blooms from May to autumn. A ubiquitous plant; caustic buttercup can be found in the meadows, during the period of mass flowering forms a golden-yellow background of the herbage.

Contains active substances:

The fresh herb of caustic buttercup contains protoanemonin (anemonol), saponin, tannins, flavone glycoside; has a phytoncidal effect.

Medicinal use:

A decoction of caustic buttercup flowers is drunk in small doses for liver diseases, an ointment from flowers with pork fat is rubbed for colds, a cotton swab moistened with buttercup juice is applied to sore teeth, things from bedbugs and Prussians are poured with water broth. Fresh buttercup herb is used in homeopathy for skin diseases, gout, neuralgia; buttercup products are successfully used in dermatology.

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