Family: – Polygonaceae
Synonym: – Rumex hamatus, Rumex ramulosus, Rumex tuberosus, Rumex esquirolii.
Common name: Nepal Dock.
Local Name: Jalbhangru (जलभांगरु), Malora, Ubad Palak, Gandaora
Jalbhangru is a herbaceous, perennial plant. It produces erect, branched stems from a large rootstock. Plant is harvested from the wild for local use as a food and medicine. Jalbhangru commonly occur in grassland, bushland, rain-forest, forest edges, riverside grassland, nallahs, water sources,damp places and swamps up to an altitude of 1000 – 3500 m. in Western Himalayas.
Plant leaves are frequently employed to get relief from irritation caused by Koogas (Urtica dioca, Urtica purviflora and Gerardina diversifolia) leaf.
The leaves of Jalbhangru are edible and a rich source of natural antioxidants due to presence of oxalic acid. These are cooked to prepare leafy vegetable saag It is said that Jalbhangru saag should not be eaten in large amounts since the oxalic acid present in it can lock-up other nutrients in the food, especially calcium, thus causing mineral deficiencies. However, it is perfect in smaller quantities. Local people usually harvest its leaves at time of food scarcity, but it can be possible good food supplement.
Plant is stout, erect, rhizomatous, branched perennial herb up to 1.2 m tall, with green or pale brown stem.
Leaves alternate, simple; ocrea tubular; lower radicle leaves long-petiolate, upper leaves shortly petiolate; blade of lower leaves oblong-ovate, 20–33 cm × 12–20 cm, base cordate, margins undulate-denticulate, crispy or flat, puberulous beneath, blade of cauline and upper leaves nearly sessile broadly ovate-lanceolate, base cordate to rounded or subtruncate, uppermost sessile lanceolate.
Inflorescence a panicle with spreading branches, almost leafless, with somewhat remote whorls of flowers.
Flowers unisexual, usually pendulous; tepals 6, reticulately veined; inner 3 oblong-ovate, 3–5 mm long in fruit, each margin with 5–6 hooked teeth, apex circinately incurled, at least 1 segment with pronounced fusiform tubercle (swollen midvein).
Fruit a sharply trigonous, ovoid nut 3–5 mm × 2–2.5 mm, glossy dark brown enclosed in the hooked fruiting tepal.
Jalbhangru can provide edible leaves throughout the year.
Young leaves and tender shoot of Jalbhangru are used as a pot herb and cooked like spinach. Leaves are also used to prepare chutney.
Leafy Vegetable (Saag):
Chopped young leaves and tender shoot tips of Jalbhangru and other wild herbs1 kg; mustard oil, 2 table spoons; coriander powder 1 table spoon; fenugreek powder, ½ table spoon; cumin seed ¼ table spoon; turmeric powder, 1/4 table spoon; red chillies, 2-3; chopped onions 2-4; garlic, 4-5 cloves; ginger paste ½ table spoon and salt according to taste.
Boil chopped leaves till they become soft. Then mesh manually or in a mixer. Then sauté with hot mustard oil and the spices listed before in sequence. This sauted sag is then ready and can be served as such or can be mixed with 2 or 3 chopped onion or boiled potato and cooked for another 5 to 10 minutes before serving.
For preparing chutney grind Jalbhangru leaves and tender tips, 200 g; mint leaves, 200g; medium sized onion, 2; green chilies, 6-8 in a mixer grinder and add to this salt according to taste. Now chutney is ready to serve/
Seek advice from a professional before using this plant medicinally.
Inhabitants use boiled thrashed roots and mustered oil together for relieving rheumatic pain. Extracts and metabolites from this plant exhibits pharmacological activities including anti-inflammatory, antioxidant, antibacterial, antifungal, antiviral, insecticidal, purgative, analgesic, antipyretic, anti-algal, central nervous system depressant, genotoxic, wound healing and skeletal muscle relaxant activity. A strong decoction of the root is applied to dislocated bones. The juice of the leaves is applied externally to relieve headaches. A decoction of the plant is used to wash the body in order to alleviate body pain A paste of the root is applied to swollen gums1. Due to its remarkable biological activities, it has the potential to act as a rich source of drug against life threatening diseases.
The root contains 5 – 13% tannin1
1. Chopra. R. N., Nayar. S. L. and Chopra. I. C (1982): Glossary of Indian Medicinal Plants. Council of Scientific and Industrial Research, New Delhi.