The picture shows Swertia bimaculata, a Gentianaceae plant, whose scientific name is Swertia bimaculata

An annual herb, 0.3-1.4 (2) meters high. The roots are thin and brown. The stem is erect, round, hollow, 2-6 mm in diameter at the base, branching above the middle. The basal leaves wither during the flowering stage; the stem leaves are sessile or have short stalks. The leaves are elliptical to ovate-lanceolate, 3.5-9 cm long, 1-4 cm wide, with long acuminate apex, blunt base, and 3-vein. 5, arc-shaped, with obvious protrusions on the back, and the uppermost leaf is bract-shaped. Large conical compound cymes are loose, spreading, up to 50 cm long, with many flowers; the pedicels are thick, upright or obliquely extending, unequal length, 6-40 mm long; the flowers are 5 in number, up to 2.5 cm in diameter; the calyx is green, 1/4-1/2 of the corolla, lobes narrowly oblanceolate or narrowly elliptical, 3-6 mm long, apex acuminate or acute, base narrow, edge with narrow white membrane, often external Curly, with thin, inconspicuous 3-5 veins on the back; corolla yellow, with many small purple spots on the upper part, lobes oval or oblong, 1-1.5 cm long, apex acuminate or acute, base narrow, There are 2 yellow-green, semicircular large glandular spots in the middle; the filaments are linear, 5-6.5 mm long, the anthers are oblong, about 2.5 mm long; the ovary is sessile, lanceolate, about 8 mm long, and the style is short. , stigma small, capitate, 2-lobed. The capsule is sessile, narrowly ovate, up to 2.3 cm long; the seeds are brown, round, with knob-like protrusions on the surface. Chromosome 2n=18,24. The flowering and fruiting period is from June to November.