The stem is simple, hairy, arising from a cluster of radical leaves, which are lanceolate and with conspicuous hairy pallid bases. The leaves are with evident veins. The cauline leaves are lanceolate. The flowers are blue or purple, trumpet-shaped, in dense, silky, glomerate clusters.
The nut-lets are grey, coarsely rugose and tuberculate. The drug is used as a tonic, alterative, demulcent, diuretic and is considered cooling. It is useful as a spasmolytic.is used to treat jaundice and constipation. The decoction of the plant relieves functional palpitation of the heart, irritation of the stomach and bladder.
*above specification are indicative only. actual dimensions may vary by +-10%