DC.
Synonym: Hedysarum gangeticum Linn.
Family: Papilionaceae; Fabaceae.
Habitat: Ascending to 1,500 m on the Himalaya; common on lower hills and plains throughout India.
Ayurvedic: Shaaliparni, Shaalaparni, Sthiraa, Somyaa, Guhaa, Triparni, Vidaarigandha, Anshumati. Also used as Prshniparni. (Urariapicta Desv., Prshniparni, is used as a substitute for Shaalaparni.)
Siddha/Tamil: Pulladi, Sirupulladi Moovilai (root).
Folk: Sarivan.
Action: Root—antipyretic, diuretic, astringent (used in irritable bowel syndrome, diarrhoea and dysentery), anticatarrhal (used in post-natal care, chronic fever, cough, biliousness, vomiting), diuretic, anthelmintic, laxative and nervine tonic. Desmodium spp.: Roots—carminative, mildly purgative, stomachic, emmenagogue, diuretic. Leaves—galactagogue; a poultice of leaves is used for lumbago. Bark—used in diarrhoea and haemorrhages.
Roots afforded pterocarpanoids— gangetin, gangetinin, desmodin and several alkaloids. The aerial portion gave indole-3-alkylamines and their derivatives.Gangetin showed significant anti- inflammatory activity in 50 and 100 mg/kg p.o. in rats.
Dosage: Root—5-10 g powder; 1020 g for decoction. (API Vol. III.)
Desmodium gangeticumFabaceaeSan: Anshumati, Salaparni;Hin,Ben: Salpani;Mal: Orila;Tam:Pulladi;Tel: GitanaramKan: Murelehonne; Mar: Darh;Guj: Salwan; Ori: Salaparni Pun: ShalpurhiImportance: Desmodium is a small shrub which is the chief of the ten ingredients in the Dasamula kwatha of Hindu medicine. Roots are useful in vitiated conditions of vata, anorexia, dyspepsia, haemorrhoids, dysentery, strangury, fever, gout, inflammations, cough, asthma, bronchitis, cardiopathy and debility. The unani preparation “Arq dashmul” contains these roots. It is considered a curative for leucorrhoea and for pains due to cold (Warrier et al, 1995).Distribution: The plant is widely distributed in the tropics and subtropics. It grows wild in the forests of India up to 1500m. It is also cultivated in the plains and in the lower Himalayas.Botany: Desmodium gangeticum (Linn.) DC. syn. Hedysarum gangeticum Linn., Desmodium gangeticum var. maculatum (Linn.) Baker., belongs to the family Fabaceae (Papilionaceae). It is an erect diffusely branched undershrub, 90-120cm in height with a short woody stem and numerous prostrate branches provided with soft grey hairs. Leaves are unifoliate, ovate- lanceolate, membranceous and mottled with grey patches. Flowers are white, purple or lilac in elongate lax, terminal or axillary racemes. Fruits are moniliform, 6-8 jointed, glabrescent pods, joints of pods separately pubescent with hooked hairs, joint separating when ripe into indehiscent one seeded segments. Seeds are compressed and reniform.Agrotechnology: Desmodium can grow in a variety of climate and soils. However, it prefers tropical and subtropical climatic conditions. Although it can grow on all types of soils, waterlogged and highly alkaline soils are not suitable. Light sandy loam is preferred for commercial cultivation.It is propagated through seeds. Seeds can be planted directly in the field or seedlings raised on the nursery beds and transplanted. Transplanting always gives better results in commercial cultivation, as it gives assured crop stand. Planting is done at a spacing of 40x20cm on flat beds or ridges. Organic manures are applied at the time of land preparation and thoroughly mixed with the soil. A little quantity of phosphatic and nitrogenous fertilizers are also applied for better crop growth. The inter-row spaces between plants, both in the field and nursery should be kept free from weeds by frequent weeding and hoeing as the plant suffers from weed competition, especially during early stages of growth. Manual hand weeding is usually done. Irrigation of seedlings just after planting is good for crop establishment. Although it can be cultivated as a rainfed crop under humid tropical conditions, irrigation every month is beneficial during summer. The root is the economic part and harvesting can be commenced after 8-9 months. About 500- 700kg roots can be harvested from a hectare of land per year.Properties and activity: The root contains gangetin, gangetinin, desmodin, N,N-dimethyl tryptamine, hypaphorine, hordenine, candicine, N-methyl tyramine and -phenyl ethyl amine. The total alkaloid fraction showed hypotensive activity. The root is bitter, antiinflammatory, analgesic, aphrodisiac, constipating, diuretic, cardiotonic, expectorant, astringent, antidiarrhoeal, carminative, antiemetic, febrifuge and anti-catarrhal (Thakur et al, 1989).... desmodium
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