1、 Blade

The basal leaves of Sanguisorba officinalis are pinnately compound leaves, with 4-6 pairs of leaflets, oval or oblong oval, blunt at the top, heart-shaped to light heart-shaped at the base, serrated at the edge, and green on both sides. Stipules are membranous and brown. The stem leaves are less, which are oblong to oblong lanceolate, and the base is micro cardioid to round. Stipules are herbaceous and semi ovate

2、 Flower

The flowers of Sanguisorba officinalis are spikes, oval, ovoid or cylindrical, upright. The bracts are membranous and lanceolate, the top is acuminate to the tail tip, with 4 sepals, the color is purplish red, oval to wide ovate, and the back is pilose. The flowering and fruiting period is from July to October