bright yellow greater celandine flowers

alkaloid alkaloids allocryptopine background berberine bokeh botanical botany bright celandine chelerythrine chelidonine chelidonium coptisine dark environment flora floral flower flowers focus greater green growth herbal homeopathic homeopathy invasive majus medicinal medicine nature norchelidonine plant protopine sanguinarine selective shadow stylopine sunny toxic ukrain weed wildflower wildflowers yellow