blue `globe artichoke` flower - cynara scolymus

agriculture alcachofera alcachofra alternative arboretum artichaut artichoke asteraceae asterales bloom blossom blue botanical botanist botany bud cardunculus cynara cynarae ear edible elephant europe european farming flora florist flower flowers folium food gallen garden giant globe head horticulture its latin leaf medicine name natural nature organic petals plant plants saint scolymus summer swiss switzerland syn thistle thorny top vegetable violet