Bat kudzu belongs to perennial herbaceous flowers. Its stem is relatively thin, distributed with stripes, no hair on it, with a diameter of 2 to 10 mm. Its surface color is yellow brown or black brown, with obvious longitudinal fissure on it, and its texture is relatively hard. The twigs are slender and cylindrical, green in appearance, curved, about 50 cm in length, 0.3 to 0.8 cm in diameter, and yellow brown to dark brown in surface.
The leaves are alternate, kidney shaped or ovoid in shape, relatively round, about 5 to 12 cm in length, with little difference in width. There are 3 to 7 shallow cracks on the edge, no hair on both sides, covered with white powder below. Petioles are longer, about 3 to 10 cm or longer, with stripes on them.
