thalia geniculata or alligator flag or bent alligator-flag or fire-flag or arrowroot flower.

africa alligator america arrowroot background bent big biodiversity biology bloom blossom blur botanical botany bract canna dangle decorate decoration ecology evergreen fire flag flower foliage garden geniculata growing growth hang hung hydrophyte interesting lance landscape leaf long natural nature nobody ornamental outdoor outstanding park petal plant pond purple shaped species stalk thalia three tiny tropical water widespread