Cat's eye plant is short, about 30 to 60 cm in length, relatively thin, about 3 to 6 mm in diameter, brown or black brown in color.
The height of the plant is about 0.5 to 1.5 meters, the root is under the stem, and there is pubescence on the plant.
The shape of the leaves of cat's eye grass is relatively variable, from linear to ovate, with a length of about 2 to 7 cm and a width of about 4 to 7 mm.
The shape of the leaf is oval or oval, the length is about 1.5 to 5 cm, the width is 1 to 4 cm, there are hairs on both sides of the leaf.
The seed shape of cat's eye grass is ovoid, the length is about 2.5 to 3.0 mm, the fruit period is about September to October.
There are generally four seeds of the cat eared grass, the shape of which is oblate, and the fruit period is from July to November.