1、 Plant

The plant of Xanthium sibiricum is about 20 to 90 cm tall. The root is spindle shaped, without branches or branches. The stem is upright, without branches or a few branches. The lower part is cylindrical, with a diameter of 4 to 10 mm. There are longitudinal grooves on the upper part and gray white rough hairs

2、 Leaves

The leaves of Xanthium sibiricum are triangular, ovate or heart-shaped, about 4 to 9 cm long and about 5 to 10 cm wide, close to the whole edge, with 3 to 5 inconspicuous lobes, sharp or blunt tips, slightly heart-shaped or truncated base, irregular coarse serrations on the edge, and 3 to 11 cm long petiole

3、 Flowers

The head is spherical, about 4 to 6 mm in diameter, the Corolla is bell shaped, the anthers are oblong linear, and the flowers are green, yellowish green or reddish brown