violet flower,ruellia squarrosa on a white background,hygrophila erecta,watrakanu,iron root,feverroot,trai-no,toi ting,biennial

annual asia asian background beautiful beauty bloom blooming blossom bluebell botany bright closeup color colorful environment flora floral flower fresh garden green herb isolated leaf leaves minnie natural nature park pattern petal plant pod popping purple rainy root ruellia season simplex spring squarrosa tropical tuberosa violet waterkanon weed white wild hygrophila erecta watrakanu iron feverroot trai-no toi ting biennial herbs medicinal properties