Guineagrass
Scientific Name - Panicum maximum Jacq.
Family - Gramineae
Perennial or annual with densely tufted stems. Stems sometimes bending and rooting at nodes, quite variable, smooth to hairy, branched or not branched. Leaf blades flat, large, usually smooth or occasionally hairy. Leaf sheaths usually hairy. Seedheads large, with spreading branches. Seedhead branches at lower nodes usually whorled. Flowers somewhat blunt at tip. Seeds with fine wrinkles. Reproduces by seed and rarely by stolons. Occurring in fields, wet prairies, roadsides and most disturbed areas. Found in peninsula of Florida and southern Texas. Native to Africa. Cosmopolitan in warm climates.