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Grasses <br />Imperata cy[indrica.:, cogon grass <br />• Rhizomes scaly, pointy like Panicum repens <br />• Leaves yellow -green, long pointed, erect <br />• Leaf -blade midvein off -center <br />• Leaf blades hairy at base <br />• Flowers in narrow, fluffy, white spikes <br />Panicum repens torpedo grass <br />• Rhizomes with hard torpedo-like tips <br />• Leaf blades with sparse hairs on upper side <br />• Ligule a tiny collar with short hairs at top <br />• Sheaths glabrous or hairy near top <br />• Inflorescence branched & open <br />10 <br />Neyraudia reynaudiana — silk, or Burma, reed <br />• Stems reedlike, to 9 ft tall <br />• Stems often branched <br />• Leaf sheaths woolly at top <br />• Large, densely feathery, nodding panicles <br />• Spikelets long -hairy, short awned <br />Pennisetum purpureum — elephant grass <br />• Perennial grass to 9+ ft tall <br />• Stem nodes bluish, leaves often bluish green <br />• Leaf blades with stout, keeled midrib <br />• Inflorescence a dense, bristly, tawny spike <br />• Spikelets with bristles falling at maturity <br />