Dalbergia lanceolaria Linn.f.
Synonym D.frondosa Roxb.
Family Papilionaceae; Fabaceae.
Habitat The sub-Himalayan
tract, ascending up to 750 m, and throughout India.
Siddha/Tamil Erigai, Navelangu. Folk Gorakh, Takoli, Bithuaa.
Action A decoction of bark— used in dyspepsia. Oil—applied to rheumatic affections, and cutaneous
diseases. Leaf—in leprosy and allied obstinate skin diseases.
Baptigenin from leaves and flowers possesses properties to treat arthritic affections and inflammations. An isoflavone glycoside of biochanin (lanceolarin) has been obtained from the root bark. Ether, EtOH and aqueous extract of leaves exhibited antiarthritic activity in rats.
The heartwood of Dalbergia sp. contains quinones. Bark and pods contain tannins.
Root bark gave isoflavone glycosides and lanceolarin.
Dosage Whole plant—50—l00 ml decoction.