Polygala ARVENSIS Willd
| Synonym : | Polygala chinesis L. Polygala telephioides Willd. Polygala brachystachya DC. |
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| Bangla Name : | Meradu, Meraru.,Yang Mana (Marma). |
| English Name : | - |
| Family : | Polygalaceae |
| Disease : | Asthma, chronic bronchitis, catarrhal affections, fever and dizziness. |
| Description : | An annual herb, usually decumbent and diffuse, 10-25 cm high. Leaves very variable, 1.2-3.8 cm long, obovate, sub-orbicular or linear-oblong, rather thick, ciliate, mucronate. Flowers yellow, fading to pink, in axillary or extra-axillary, short, almost capitate, few-flowered racemes. Capsules didymous, orbicular-oblong, strongly ciliate. |
| Distribution : | Dhaka, Chittagong, and Chittagong Hill Tracts . |
| Chemical Constituents : | Two new aryl naphthalide lignans – chinensinaphthol and its methyl ether along with lignans – suchilactone, chisulactone and helioxanthion have been isolated from the plant. Aerial parts and roots contain arctigenin-4´-glucoside (arctiin), kaempferol-3-rh |
| Uses : | Infusion of the leaves is prescribed in asthma, chronic bronchitis and catarrhal affections. The root possesses antiseptic properties, reported to be used for fever and dizziness. |
| Habit : | Herb |