What is "speargrass"

alt. 1 Any of several, unrelated grasses in some way reminiscent of a spear. 2 # Species of ''Aristida'' 3 # (taxlink Heteropogon contortus species noshow=1) 4 # (taxlink Imperata cylindrica species noshow=1) 5 # Species of ''Poa'' 6 # Species of (taxlink Stipa genus noshow=1), typically (taxlink Stipa calamagrostis species noshow=1) 7 # Species of (taxlink Aciphylla genus noshow=1) n. 1 Any of several, unrelated grasses in some way reminiscent of a spear. 2 # Species of ''Aristida'' 3 # (taxlink Heteropogon contortus species noshow=1) 4 # (taxlink Imperata cylindrica species noshow=1) 5 # Species of ''Poa'' 6 # Species of (taxlink Stipa genus noshow=1), typically (taxlink Stipa calamagrostis species noshow=1) 7 # Species of (taxlink Aciphylla genus noshow=1)