Classification Of Water Hyacinth Flower. 1 m in height. Flower stalks that grow about six inches 15 cm above the foliage arise from the centers of the rosettes in spring and by the end of spring each plant holds as many as 20 gorgeous purple flowers.
It has thick waxy rounded glossy leaves which rise well above the water. Many other orientalis varieties have been depicted ever since the 16th century but the only forms of Hyacinthus orientalis appearing in the current 1989 Classified List and International Registrar of Hyacinths compiled by the Royal General Bulbgrowers Association is the species itself and Hyacinthus orientalis albulus. Dec 22 2010 Aquatic Plant Water Hyacinth I.
Water hyacinth plants have characteristic swollen stems with air filled tissue for buoyancy and large attractive mauve coloured flowers.
Some species float in shallow water. It has soft bulbous stalkslike a bladder and this allows it to float on the water easily. Invasive Plant Atlas of the United States. The six chemical biological and physical parameters included Dissolved Oxygen DO Biological Oxygen Demand BOD.