thalia geniculata, aka swamp lily, in singapore

flower plant garden wildflower tree shrub jungle leaf nature woodland vegetation herb produce grass branch forest blossom thalia aquatic marshy singapore toa payoh town park geniculata swamp lily aka flora flowers flowering plants ornamental stalk leaves freshwater water alligator flag river riverine species habitat asia exotic tropical cultivated cultivation petals purple pink violet palm foliage tropics greenery horticulture space evergreen cluster bunch botany dark light pale colours shade