thunbergia grandiflora, bengal clockvine, bengal trumpet, blue thunbergia

acanthaceae background beautiful beauty bengal bloom blooming blossom blue botanical botany bright china clockvine closeup color day decoration evergreen family flora floral flower foliage fresh freshness garden gardening grandiflora green growth herb horizontal leaf meadow native natural nature outdoor people petal plant produce purple rose season shrub skyflower skyvine spring springtime summer thunbergia tropical trumpet trumpetvine vine violet wallpaper white wildflower yellow