osteospermum or african daisy

osteospermum flower south african white flowering plant annual botany petals plants flowers 'glistering white' head daisy floral daisies asterales angiosperms asterids asterodae calenduleae eudicotidae plantae nature flowering eudicots eudicotyledons plant plants bloom blossom botanical garden garden flower head petal petals macro arctotis arctotis hybrida perennial perennials blue eyed daisy hardy asteraceae aster