धौरंगी — skin specialist tree। Bark: eczema, ringworm, vitiligo, psoriasis (anti-fungal confirmed)। ID: HUGE round flat winged samara (2-4cm) Jan-April — unmistakable। Anti-diabetic leaf confirmed। pH 9 alkaline soils में grows!
Indian Elm (Holoptelea integrifolia) — Dhaurangi / Kanju / Papri / Chilauni / Indian Elm — is one of India's most underappreciated medium-large trees, found across the subcontinent from the Himalayan foothills to peninsular India in dry to moist deciduous forests. The tree has a fascinating botanical identity — despite being called "Indian Elm," it belongs to the Ulmaceae family (true elm family) and bears striking resemblance to European elm trees in both leaf form and the distinctive large winged fruit (samara) that makes identification very easy. In Ayurveda, Indian Elm bark and leaves have documented applications for skin diseases, rheumatism, diabetes management and wound healing — the bark contains a unique resinous substance with significant anti-inflammatory and anti-fungal properties. The tree is particularly valued in traditional medicine for its role in treating chronic skin disorders including eczema, ringworm and vitiligo. The wood, while not a premium commercial timber, is hard enough for agricultural implements and construction, and the tree's ability to grow on degraded and alkaline soils makes it valuable for land reclamation. The large round samara fruits (winged seeds) are one of the most distinctive features — they appear before the leaves in January-February and make the tree recognizable even from a distance.
Indian Elm (Holoptelea integrifolia) — धौरंगी / कांजू / Papri — India के most underappreciated medium-large trees में। Himalayan foothills से peninsular India तक। European elm से striking resemblance — Ulmaceae family। Distinctive large winged fruit (samara) — identification easy। Ayurveda में: bark और leaves — skin diseases, rheumatism, diabetes, wound healing। Unique resinous substance — significant anti-inflammatory + anti-fungal। Chronic skin disorders में specially valued — eczema, ringworm, vitiligo। Wood: agricultural implements, construction। Degraded और alkaline soils पर grows — land reclamation। Large round samara fruits January-February — leaves आने से पहले। Very distinctive identification।
🌳 Overview & Quick Facts / परिचय और मुख्य तथ्य
| 🔬 Scientific Name | Holoptelea integrifolia — Family: Ulmaceae (Elm family) |
| 📏 Height / ऊंचाई | 15–25 metres | Spreading crown | Buttressed base in old trees |
| ⏳ Lifespan / आयु | 100–200+ years |
| 📈 Growth Rate / वृद्धि दर | Moderate — 1.5–2 ft/year |
| 🌸 Flowers / फूल | January–March — small greenish, before leaves. Inconspicuous but fragrant. / January-March — leaves से पहले |
| 🍃 Fruits / फल | February–April — DISTINCTIVE large round winged samara (2-4cm). Key identification! / फरवरी-अप्रैल — DISTINCTIVE large round winged samara |
| ⚖️ Legal Status / कानूनी | Not specially protected. Cultivation freely allowed. Timber: Forest Dept transit permit. |
| 💰 Value / मूल्य | Bark: Rs.15–30/kg Ayurvedic | Timber: Rs.500–900/cubic foot | Seeds: Rs.20-40/kg |
🌿 Parts & Their Uses — हर अंग का उपयोग
Most important medicinal। Unique resin — anti-inflammatory, anti-fungal, anti-rheumatic। Traditional: bark paste — eczema, ringworm, vitiligo, psoriasis। Bark decoction: rheumatism, diabetes। Anti-microbial। Market: Rs.15-30/kg। AYUSH formulary referenced।
Young leaves: edible — mild, slightly mucilaginous। Tribal areas में vegetable (WB, CG)। Leaf paste: skin diseases, boils, wounds। Leaf extract: anti-diabetic research (glucose-lowering confirmed)। Cattle fodder। Leaf litter: good mulch।
Small greenish-white, January-March leaves से पहले। Mildly fragrant — some honey source। Flower extract: mild anti-oxidant। Not traded। Pre-leaf flowering distinctive — bare tree पर white samaras से दूर से flowering जैसा लगता।
Most distinctive feature — large (2-4cm) round flat winged samara। Paper-thin, wind-dispersed। Very young होने पर edible। Seeds: fatty oil — anti-inflammatory research। Ground samara: tribal medicine में skin diseases। Large numbers ground carpet — birds और small mammals collect।
Root bark: anti-inflammatory, anti-rheumatic (main bark जैसा)। Joint disorders tribal। Alkaline और degraded soils tolerate — land reclamation pioneer। Roots highly invasive नहीं — structures के moderately close। Compacted soils में aeration improve।
लकड़ी: hard, light grey-brown, good grain। Agricultural implements, cart wheels, furniture, निर्माण। NOT premium commercial। Market: Rs.500-900/cubic foot। Transit permit required। Historical: कुछ regions में traditional school slates Holoptelea thin slabs से।
🌍 Skin Medicine & Ecology / त्वचा चिकित्सा और पारिस्थितिकी
🌱 Growing Guide / धौरंगी कैसे उगाएं
| Parameter | English | Hindi / हिंदी |
|---|---|---|
| 🌱 Propagation | Seeds from fresh samaras (March-April) — collect immediately when turning brown. Germination 10-20 days. Seeds lose viability within 2-3 weeks — plant fresh! | Fresh samaras से बीज (March-April) — brown होने पर तुरंत collect। 10-20 दिन germination। 2-3 weeks में viability lose — fresh plant करें! |
| 🪴 Soil | Adaptable — loamy to alkaline soils. pH 6.0–9.0. Tolerates poor soil well. Good pioneer for degraded land. | Adaptable — loamy to alkaline। pH 6.0-9.0। Poor soil tolerate। Degraded land pioneer। |
| 📅 Best Time | Monsoon June-July for transplanting nursery-raised plants. Seeds: directly sow in April (fresh collected). | Transplanting: Monsoon June-July। Seeds: April में directly fresh collected बोएं। |
| 📏 Spacing | 6–8 metres for timber. Not highly invasive roots — 5-6m from structures OK. Good avenue tree. | Timber: 6-8 मीटर। Highly invasive roots नहीं — structures से 5-6m OK। Good avenue tree। |
| 🟫 Bark harvest | Year 8-10 onward. Sustainable — collect from pruned branches only. Never more than 25% girth on standing tree. | Year 8-10+। Pruned branches से। Standing tree पर max 25% girth। |
| 💡 Best use | Urban avenue tree, degraded land plantation, farm boundary shade tree, skin medicine bark production. Low-maintenance multipurpose. | Urban avenue tree, degraded land plantation, farm boundary shade, skin medicine bark। Low-maintenance multipurpose। |
💰 Market Value & Legal Status / बाज़ार मूल्य और कानूनी स्थिति
| Product / उत्पाद | Value / मूल्य | Legal / कानूनी |
|---|---|---|
| 🟫 Bark / छाल | Rs.15–30/kg dried Ayurvedic / Ayurvedic | Own trees sustainably. Forest: FRA 2006 tribal rights. |
| 🍃 Young Leaves | Rs.10–20/kg fresh (tribal vegetable market) | Freely collected from own trees / freely |
| 🪵 Timber / लकड़ी | Rs.500–900/cubic foot | Transit permit Forest Dept / FD permit |
| 🌬️ Seeds (samara) | Rs.20–40/kg nursery + research | Freely collected when fallen / freely |
Indian Elm bark skin — traditional + research: Active: unique resin — anti-fungal (dermatophytes confirmed), anti-inflammatory। Tannins + flavonoids — anti-oxidant। Skin conditions: (1) Eczema (Vicharchika): bark paste — inflammation + itching reduce। (2) Ringworm (Dadru): Trichophyton, Microsporum anti-fungal confirmed। (3) Vitiligo: bark paste depigmented patches — long traditional use। (4) Psoriasis: inflammation + scaling reduce। Preparation: (1) Fresh bark paste: inner bark grind + water। 30-60 min apply। 2x daily, 3-4 weeks। (2) Bark in sesame oil: 2 weeks sun-soak। Dry conditions (eczema, psoriasis)। (3) Bark powder + turmeric + coconut oil: fungal patches combined। Caution: patch test first। Open wounds पर नहीं। Severe chronic: dermatologist।
Indian Elm identification — samara is key: Samara: round to broadly oval, flat, papery-thin, 2-4cm diameter। Central seed + broad papery wing all sides (round disc)। Green → straw-colored। Large clusters bare branches पर। Wind-dispersed — windy weather में paper disc snow जैसा। January-April (Feb-March most distinctive)। Leaves: alternate, ovate-elliptic, 7-15cm, serrated margins। Base asymmetric (elm leaves जैसा)। Bark: grey corky, irregular plates। Flake नहीं करता (Axlewood distinction)। Confused with: (1) Axlewood — Dhaurangi samara = large (2-4cm) round disc। Dhaura fruits = small clustered। (2) Large-leaf Cordia — different fruit और bark।
Indian Elm diabetes — research: Research: leaf extract in-vitro और animal studies। (1) Alpha-glucosidase inhibition — post-meal glucose spike reduce। (2) Glucose uptake improve। (3) Anti-oxidant। (4) Beta-cell stimulation some evidence। Status: in-vitro/animal only — no large human RCTs। Promising but not definitive। Traditional: Prameha (diabetes-spectrum) में Ayurveda। UP, MP, Maharashtra tribal communities। Preparation: (1) Leaf juice: 10-15ml + warm water, morning। (2) Leaf powder: 3-5g before meals। (3) Bark decoction: 10g + 400ml → 200ml, 100ml twice। Lifestyle changes के साथ। Caution: diabetes medication replace नहीं। Blood glucose monitor। Doctor inform। Hypoglycemia risk — monitor।
Indian Elm degraded land: True pioneer — disturbed, degraded, compacted, alkaline soils पर। Specific tolerances: (1) Alkaline (pH 9.0) — Rajasthan, UP calcareous soils। (2) Compacted soils: root penetrate। (3) Rocky outcrops। (4) Seasonal waterlogging। (5) Low fertility। Reclamation: Monsoon plant। Year 1-2: slow establish। Year 3-5: canopy + leaf litter। Year 5-10: soil measurably improved। Year 10-15: timber। Govt: MNREGS Dhaurangi UP, MP, Bihar। Social forestry: avenue + boundary। Low input: 3+ years established — virtually no maintenance। Income degraded land: bark (Rs.15-30/kg) + leaves + seeds + timber।
Indian Elm leaves vegetable — tribal cuisine: Primary: West Bengal (Chilauni pata), Chhattisgarh, Maharashtra (Gondi), UP। Seasonality: February-April। Pale-pink से light green — fully dark green = tougher, bitter। Taste: mild, slightly mucilaginous (okra जैसा), slight bitterness। Methods: (1) Simple sauté: mustard oil + hing + onion + garlic + leaves + salt + chili + turmeric। 5-7 min। Rice या roti के साथ। Tribal staple। (2) Dal में add। (3) Pakoras: besan batter में। (4) Soup: mucilaginous naturally thickens। Nutritional significance: February-April pre-harvest nutritional gap में tribal communities के लिए। Iron, calcium, vitamins। Mucilaginous: prebiotic effect। Cultural: Bengal में "poor person's vegetable" — but nutritional + medicinal value recognized। Seasonal forest vegetable = nutritional resilience tradition।