Greater Celadine (Chelidonium majus)

There are yellow flowers, gathered in clusters 2-6 in long handles. It is up to 1500 meters altitude in moist and shady stony places along rivers and bushes.
s from April to June. Used is the up-surface part collected shortly before blowing.
Contains essential oil al
caloids, bitter substances flavonoids, tan, tanatsetin, organic acids and others.