Malachite grass is about 30-100 cm tall, with branches spreading obliquely. And marigold higher, about 50-150 cm, branches are spread upward.
The leaves of Malachite are pinnate, about 2-9 cm long and 1.5-3 cm wide, with linear lanceolate lobes and serrated margins. Compared with the former, the leaves of marigold are larger and longer, about 5-10 cm long and 4-8 cm wide. The lobes are lanceolate or oblong, and also serrate.
Malachite grass has a head like inflorescence and is solitary. The diameter is about 3.5-4cm, the color is golden yellow or orange, with red spots, and the petals are relatively smooth. And the whole flower of marigold will be bigger, about 6-8 cm in diameter, yellow or dark orange in color, with cracked teeth on the edge of petals, not smooth