1、 Different stems

The stem of Artemisia annua is upright, up to 80 cm high, and it divides many twigs. Leaflets can be produced from the stem

The stem of Artemisia annua is solitary, the lower position is slightly lignified, the longitudinal edges are obvious, white pilose is distributed, and the main root below the stem presents a vertical narrow spindle shape

2、 Different blades

The leaves of Artemisia annua are pinnate and deeply divided, and the leaf lobes at the end are strip-shaped or oblong. The leaves above the lobes have no handles, and the leaves below have handles

The leaves of Artemisia annua are wide egg shaped, with small white hairs distributed on both sides, 4 to 8 cm long and 3 to 6 cm wide

3、 Different flowers

The flower color of Artemisia annua is yellow, in the shape of a spoon, oblong obovate, 2 to 2.5 mm long, equivalent to the size of the calyx or slightly shorter than the sepals, and the flowering period is from April to May

The flower head of Artemisia annua is large, hemispherical or nearly spherical in shape, and the flowering period is about June