Erythrina variegata

Common Names: Dapdap, Indian Coral Tree, Sunshine Tree
Family: Fabaceae
Type: Deciduous tree, nitrogen-fixing
Height: 10–15 meters mature height


Key Benefits

  • Nitrogen-fixing – enriches soil and supports companion crops
  • Shade tree – widely used in plantations (cacao, coffee, agarwood)
  • Fodder & forage – nutritious leaves for livestock
  • Ornamental – vibrant red-orange flowers, attracts pollinators
  • Medicinal – bark and leaves used in traditional remedies

Ideal Growing Conditions

FactorRequirement
ClimateTropical, sub-tropical
Elevation0–1,500 meters above sea level
SoilWell-drained loam or clay
SunlightFull sun (6–8 hrs/day)
WaterModerate rainfall, drought-tolerant once established

Propagation

  • By Seeds
  • Soak seeds in warm water for 12–24 hours.
  • Direct sow in nursery bags or field.
  • Germination: 5–10 days.
  • By Cuttings
  • Use 1.5–2 meter long stem cuttings from mature trees.
  • Bury 30–50 cm into the soil; root in 2–4 weeks.
  • Easier and faster than seed method.

Planting Guidelines

StepRecommendation
Spacing4–6 meters apart (shade); 1–2 meters (hedgerow)
Planting SeasonRainy season (May–July)
Hole Size40x40x40 cm; mix soil with compost/manure
MulchingApply around base to retain moisture

Maintenance

ActivityFrequency & Notes
WeedingEvery 2–3 months in first year
PruningHeavy pruning tolerated; encourages regrowth
FertilizingOrganic compost annually (optional)
Pests/DiseasesGenerally pest-resistant; check for borers

Uses in Agroforestry

  • Support tree for climbing crops (e.g., black pepper, vanilla)
  • Alley cropping for erosion control and green manure
  • Windbreaks and boundary markers
  • Shade in coffee, cacao, agarwood, or banana systems

Traditional & Medicinal Uses

  • Leaves & bark used for treating fever, arthritis, and wounds
  • Flowers attract bees and beneficial insects
  • Wood: Light and soft, used in carvings and light construction

Precautions

  • Leaves may cause mild toxicity in non-ruminants if consumed raw in large amounts.
  • Avoid planting too close to structures; roots can be invasive if unmanaged.

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