They open in the morning and close forever by the end of the day. The tall buttercup was also transported from Europe to North America.
زرُّ الذَّهب (‏ الحَوْذان الحِرِّيف )‏ زهرة اخرى انتقلت الى اميركا الشمالية قادمة من اوروبا .‏