flower outline twig rhododendron shrub one on a white background vintage editable hand draw

green painting petal background azalea rhododendron vector flower isolated white foliage outline twig watercolor floral vintage retro spring vivid pollinate summer graphic nectar blossom bloom drawing feminine petals pollen ornamental flora decorative realistic garden color plant beauty style beautiful pretty delicate ericaceae botany stamen allergies mountain shrub one editable hand draw sketch line branch pattern cartoon font leaf tree monochrome design circle diagram