aristolochia bracteolata also known as worm killer in english due to its anthelminthic activity and trypanocidal effect, is a

flower aristolochia leaf green background ringens pelicans plant nature natural aristolochiaceae botany wild macro closeup botanical flora garden spring bloom flowers plants close elongata botanic botanist beautiful tree tropical wildlife summer leaves rare blossom asia white petal yellow dutchmans pipe climbing blooming clematitis exotic bracteolata worm killer english anthelminthic activity trypanocidal effect perennial herb herb