branch of northern downy hawthorn with lots of flowers

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