close up flowers of white aesculus hippocastanum, a large deciduous, synoecious hermaphroditic-flowered tree

abloom aesculus beautiful bloom blooming blossom blossoming botanical botany branch bright bud chestnut close closeup commonly conker deciduous flora flower flowers foliage fresh freshness green growth head hermaphroditicflowered hippocastanaceae hippocastanum horse horsechestnut inflorescence known large leaf lush may medical nature nut park petal plant pollination purple sapindaceae season spring springtime stem synoecious tree vegetation white wild