reddish-purple flowers of buddleja davidii `monum` or `nanho purple` also called summer lilac, butterfly-bush, or orange eye

background beautiful beauty bloom blooming blossom blue botany branch bright bud buddleia buddleja bush butterflybush closeup colorful cultivar davidii detail eye flora floral flower garden gardening green leaf lilac monum nanho natural nature orange ornamental outdoor panicle plant purple red reddish royal shrub sky spring stem summer variety