annual appearance bloom bright brown cluster composite-flower dwarf-sunflower flora flower flowers gold golden Helianthus inflorescence kernels large large-head light pattern petals plant plants popular radiant seeds spiral spiralling-florets sunflower sunflowers sunlight sunny sunshine widespread yellow abundance abundant berries bracts clusters drupes endocarps foliage fronds fruit fruitful inflorescences leaf stalks leaves mesocarp palm palm tree perspectives petioles plentiful pods productive seed-bearing fruits shapes sprays surface texture textures tree variations variety various