[1] Isolated populations are found from Spain in the west across Central Europe with fine examples in Valais, Switzerland, and southern Europe, reaching southern Sweden in the north and Abruzzo in the south,[2] with its main area of distribution being the Pannonian Basin and the West Siberian Plain.
[3] In contrast to most other European Adonis species, the flowers appear in springtime, and are up to 80 mm (3.1 in) in diameter, with up to 20 bright yellow petals.
[9] In 1898, a mixture of the plant extracts with sodium bromide or codeine was suggested (by Vladimir Bekherev) to treat heart diseases, panic disorder, dystonia and mild forms of epilepsy.
[10] Tinctures of Adonis vernalis are also used by homeopathic physicians in patients that are suffering from congestive cardiac failure and its action is very similar to digitalis (another drug that stimulates the heart muscle).
[11] The plant also contains some flavones with pharmacological activities, including antioxidant, antimicrobial, anti-inflammatory, neuro and cardioprotective, and anti-allergic properties.