Erect perennial herb growing 10-60cm long. It bears elongate spathulate (spoon like) radical leaves and few oblong or sub-ovate cauline leaves. The flowers are rosy, pale pink or blue, in dense cymes.The rhizome, which is an item of commerce, is long stout and woody. It has an agreeable odor with bitter aromatic taste. The rhizome is used as a substitute for valerian. The whole plant has a distinct and lingering smell.
*Description source: Not verified.