Crotalaria RETUSA L.
| Synonym : | Crotalaria retusa var. retusa Crotalaria retusifolia Stokes Dolichos cuneifolius Forssk. Lupinus cochinchinensis Lour. |
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| Bangla Name : | Bil Jhunjhun, Atasi. |
| English Name : | Rattlewort. |
| Family : | Fabaceae |
| Disease : | Scabies and impetigo. |
| Description : | A robust undershrub, 60-120 cm high. Leaves 3.4-9 cm long, oblanceolate-oblong, obtuse or retuse, silky-pubescent beneath. Flowers numerous, large, in erect, terminal racemes, 15-30 cm long, corolla 2.5 cm long, yellow with a purple tinge. Pods 2.5-3.8 cm long, linear-oblong, slightly broader upwords. |
| Distribution : | Khulan, Cox’s Bazar and Jessore, in fallow lands. |
| Chemical Constituents : | Seeds contain as high as 10% pyrrolizinine alkaloids including monocrotaline, retusine and spectabiline and flavonoids. Seeds also contain quercetin, quercetin-3-o-glucoside and isoquercitrin also isolated from seeds. Leaves contain crotaline alkaloids. P |
| Uses : | Plants are used in scabies and impetigo. It causes hepatic diseases in birds and animals. EtOH(50%) extract of aerial parts is spasmolytic and CNS depressant (Asolkar et al., 1992). |
| Habit : | Under shrub |