cyperus iria is a tufted weed with a yellowish brown to greenish crowded inflorescence.

phytoremediation soil filter leafy bract umbrella sedge cyperus iria cyperaceae rice flat flatsedge tufted weed yellowish brown inflorescence botany bloom blossom nature abstract agriculture green plant blooming color summer flora bright flower branch grass environment field leaf growth meadow iris wild outdoor bush backyard stem fauna bunch cluster cogon aquatic plants vegetation foliage invasive empty land muddy