inflorescence of crataegus submollis in may

crataegus submollis hawthorn flower cockspurthorn northern downy quebec hairy nature green foliage greenery vegetation flora outdoors plant botany bright growth ornamental tree branch twig leaf leafage bush shrub pubescent pubescence thorn prickle spiny season spring perennial park garden cluster white bud florescence inflorescence bloom blossom corymb petal pollen pistil stamen