profuse yellow flowers of mahonia aquifolium

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