bee attraction bloom composite composite bloom curved flora floral flower flower-head flowering shrub flowers foliage garden flower garden plant Harry Chittick leaves leucospermum cordifolium multiple nature open orange orange-red stalks patterns perennial petals pin cushion shape pincushion pincushion protea plant plants pollen proteas shrub spikes stalks stamens stigma symmetric symmetry budding buds closed bloom shrubs appearance background blooms composite-bloom flowering-shrub garden-flower garden-plant leucospermum-cordifolium pin-cushion-shape pincushion-protea red spike annual bright cluster composite flower florets helianthus annuus inflorescence kernels large large head pattern popular seeds spiral spiralling florets sunflower widespread yellow