Korean snake sage

Perennial, growing in deep forests of high mountains, 50cm high. Stem square, little brown hair on the whole. Thick roots stretch to the side and buds grow from nodes. Root leaves elliptical to egg-shaped, long oval, larger than plants, and petioles are long. Stem leaves shorten between nodes and run together at the bottom. Flowers bloom Around Aug, two to six yellow flowers, 3cm long, Peduncle is 5-6mm long, with hairs dense. Calyxes and hairs on the outer side of calyxes, Fruits nucula, seeds obovate, The flowered figure looks like a snake with its mouth open.