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Water hyacinth is a free-floating perennial aquatic plant (or hydrophyte) native to tropical and subtropical South America. With broad, thick, glossy, ovate leaves, water hyacinth may rise above the surface of the water as much as 1 m (3 ft) in height.
The water hyacinth could be identified by its distinct thick, waxy green leaves that has a rounded or elliptical shape. It is able to grow under water and above water due to its long stem that is able to produce up to 5 flowers on a single stem. [2] The hyacinth produces large blossoms with lavender blue petals and a yellow blotch at the center ...
Familiar examples of aquatic plants include waterlily, lotus, duckweeds, mosquito fern, floating heart, water milfoils, mare's tail, water lettuce, water hyacinth, and algae. [4] Aquatic plants require special adaptations for prolonged inundation in water, and for floating at the water surface.
Water hyacinth, the world’s most widespread invasive species, is blanketing the lake, choking its fish and leaving people stranded. “Sometimes it becomes very serious,” says Simon Macharia ...
The water hyacinth, an introduced invasive species of fast growing floating plants completely clogs the open water surface of the drain in many areas annually and lot of funds and labour is employed by the flood control department to clear it somewhat to keep the water flow uninterrupted. The removing of the water hyacinth by labourers also ...
Water hyacinth in the wetland. The wetland's rich floating vegetation comprises the following: [3] Eichhornia crassipes dominates in 50% of the area. Azolla sp. are sparsely seen in open water areas. Nelumbo nucifera, the lotus, is the prominent rooted floating vegetation. Ipomoea aquatica, is at the lake periphery in the shallower regions.
The most visible consequence of eutrophication is the massive development of large floating rafts of the water hyacinth (Eichhornia crassipes), which is untiringly harvested to prevent complete invasion of the lake open waters. The enormous amount of hyacinth removed from the lake is then composted to produce a horticultural fertilizer.
At one stage, the surface area of the lake was less than 25 acres (0.10 km 2). Efforts to restore the lake were undertaken in 2016 with the help of NGOs based in Hyderabad . The restoration and rejuvenation of the lake included cleaning the lake and floating wetland treatment to tackle the growth of water hyacinth.