Mosaic plant (Ludwigia sedoides)

Mosaic plant is a very recent addition to the flora of Sri Lanka. It is a native plant of tropical central and South America. It was introduced as an ornamental plant and now naturalized in some Sri Lankan wetlands. It was originally recorded from Southwest Sri Lanka (De Vlas J. & J. 2008) and spreading. Above picture was taken at Pahuru Ela marsh of Kelani basin close to the Malvana town.