Indian Bur Grass is a radiately spreading annual herb. Culms are 3-20 cm long, rising up from a prostrate base, rooting at the nodes, often matted. Leaves are narrow, 0.5-5 cm long, 1-4 mm wide. Inflorescence is 1-4 cm long, cylindrical, often loosely so. Flower clusters are straight or slightly gaping at the tip, consisting of 2 subequal and subopposite spikelets. Spikelets are 2.5-4 mm long; upper glume 5-nerved, the prickles terete in their lower half and hooked at the tip. Flowering: All year.