bright yellow helianthus lemon queen

artichokes asteraceae bloom blossom botanic botanical botany bright buds bulbs called capitulum colorful colors cultivated decorative disc display exotic extravagant flora floral flower flowering flowers fragrance garden gardening gardenpark green head helianthus jerusalem leaves lemon nature nectar ornamental petals plant pollen potted queen seeds spring stems summer sunchokes sunflower sunny tropical tuberosus vibrant yellow