Family: Fabaceae

Bengali/vernacular name: Sisu, Sishoo kath.
Tribal name: Sissoo gach (Rakhaing)
English name: Sisso, Black Wood, Resewood.

Description of the plant:
A medium-sized to large, deciduous tree. Leaves imparipinnate; leaflets 3-5, firm, 3.8-6.3 cm long, distant, alternate, suborbicular. Flowers small, pale yellow in axillary panicles, shorter than the leaves. Pods 3.8-10 cm long, lanceolate.

Using information:
Dried bark and fresh leaves are used as a local astringent and haemostatic in various forms of haemorrhages, epistaxis, menorrhagia and bleeding piles. Decoction of the leaves is useful in acute stage of gonorrhoea. The leaf extract is given in dysentery by the Chakma in Chittagong Hill Tracts. The wood is considered alterative, anthelmintic; useful in leprosy, boils, eruptions, scabies, burning sensation of the body, scalding urine, syphilis, and to allay vomiting. Roots are astringent (Yusuf et al. 2009).

Alcoholic extract of the leaves possess moderate antifungal properties (Begum et al., 2007). Wood extracts were found toxic to the fungi especially to Lentinus lipideus and Lenzites trabes in a wood substrate (Ansari et al., 2000).

dalbergia sissoo

Chemical constituents:
Leaves contain sissotrin and an isoflavone-O-glycoside. Flowers contain biochenin A, tectorigenin, 7,4-dimethyl tectorigenin and 7-O-methyltectorigenin. Green pods contain meso-inisitol, 7-O-methyltectorigenin and its 4´-rhamnoglucoside. Mature pods contain isocaviumin, tectorigenin, dalbergin, biochamin A and 7-hydroxy-4-methyl coumarin, 7-O-glucosides of tectorigenin, caviunin and tannins. Stem bark contains dalberginone, dalbergin, methyldalbergin, a 4-phenylchromene, dalbergichromene and isotectorigenin.

Heartwood contains dalbergin, nordalbergenones, dalbergichromene 3,5-dihydorxy-trans-stilbene, biochanin A and a allylphenol of latifolin type - dalbergiphenol (Ghani, 2003; Rastogi & Mehrotra, 1993). Heartwood also contains fixed oil, containing Myristic, Palmitic, Stearic, Arachidic, Linoleic, Oleic acid and essential oil, containing two sesquiterpene derivatives bisabolene and nerolidol (Ansari et al., 2000).

Planted throughout the country.