The length of tongquancao is about 3 to 30 cm. There is no hair distributed in the stem or there is short and soft hair distributed in the stem. The root is relatively thin.
The length of Lobelia is about 6 to 15 cm, the stem is relatively thin, and there is no hair.
The leaves of Tongquan grass are in the shape of an inverted spoon, about 2 to 6 cm long, and the edges of the leaves are distributed with indistinct sparse serrations.
The shape of lobes of lobes is elliptic lanceolate to strip, the leaves are large, the length is about 8 to 25 cm, the width is 2 to 6 cm, the edges of leaves are obviously serrated, without small hairs.
The flowers of tongquancao are sparsely distributed, with white, purple and blue corolla colors. The flowering period starts in April.
Half of the lotus stem is thin, the color of the Corolla is pink or white, and the flowering period starts from May
