2.Veronica persipor (scientific name: Veronica persipor). ) belonging to Scrophulariaceae, Veronica is a widely branched herb with a height of 50 cm. Leaf blade is short-stalked, oval or round, axillary flowers are called bracts, the edges are obtuse, and both sides are sparsely pilose. Racemes are very long; Pedicel longer than bracts, lobes ovate-lanceolate, corolla blue, purple or blue-purple, stamens shorter than corolla. The capsule is kidney-shaped, with obvious reticular veins, and deep horizontal stripes on the back of the seed, which blooms in March-May.