purple leaves and yellow flowers of mahonia aquifolium in march

aquifolium berberis bloom blossom botany branch bright bud bush clusters evergreen florescence flower flowers foliage garden glossy grape grapeholly green greenery growth hedge hollygrape hollyleaved inflorescence leaf leafage leaflets leathery leaves lush mahonia march mid nature oregon ornamental outdoors park perennial pinnate plant prickle purple raceme season sharp shrub spiny spring twig vegetation vibrant yellow