echinochloa caudata

adult agriculture apex arranged awns blade broad caryopsis caudata color crop echinochloa elliptical extremely field finely flattened flower flowering flowers fruiting gradually grass grassland green head herb july lanceolate lawn leaf leaves linear meadow october panicles period plant pointed prairie purple racemes reddish round seedlings serrated sharp shrub soil spikelets stem surface tightly tilted tips unbranched upright vegetation ventral wetland wildflower wildlife