Ratanjot - Barbados Tree

Ratanjot - Barbados Tree

Jatropha curcas

Summary

Scientific Classification

Kingdom: Plantae
Division: Magnoliophyta
Class: Dicotyledonae
Order: Malpighiales
Family: Euphorbiaceae
Genus: Jatropha
Species: J.curcas
Scientific Name: Jatropha curcasL.

Common names
English : Barbados nut tree.
Hindi: Jamal ghota, Ratanjot.
Kannada: Kananeranda, Doddaharalu.
Marathi: Mogli Erand.

Discription

  1. Habit and Habitat: Jatrophacurcas is a perennial, monoecious shrub or small tree up to 6 m high; bark pale brown, papery, peeling; slash exudes a copious watery latex.J. curcas grows as a weed in tropical and sub-tropical environments and can be found in disturbed sites, pastures, open woodlands, waste areas, abandoned gardens, and along roadsides.
  2. Distribution: Though native to America, the species is almost pantropical now, widely planted as a medicinal plant which soon tends to establish itself.
  3. Morphology:
    Leaf: Leaves alternately appear with a petiole (3–20 cm long) and a blade broadly ovate in outline, usually shallowly 5-lobed.
    Inflorescence: The inflorescences are terminal or axillary umbel-like cymes, often paired, with a solitary female flower terminating each major axis and many male flowers on lateral branches.
    Flower: Flowers are unisexual.
    Androecium: Male flowers: sepals 5, approximately 4 mm, connate at base; petals oblong, green-yellow, approximately 6 mm, connate to middle, hairy inside; disk glands 5, nearly terete; stamens 10; outer 5 filaments free, inner filaments connate in lower part.
    Gynoecium: Female flowers: pedicels elongate; sepals free, approximately 6 mm; petals and disk glands as in male; ovary 3-locular, glabrous; styles bifid at apex.
    Fruit: Fruits are broadly ellipsoid capsules 2.5–3 cm × ca. 2 cm, smooth-skinned, initially fleshy and green, turning yellow and eventually dry and black and are 3-seeded.
    Seeds: Seeds are ellipsoid, 1–2 cm long, mottled black and coarsely pitted.
    Flowering and Fruiting time: Flowering from April-July.Fruiting April onwards.
  4. Propagation: Grows readily, from cuttings or seeds.
  5. Importance:
    Environmental
    a.Boundary, barrier or support
    b.Erosion control or dune stabilization
    c.Host of pest
    e.Soil conservation
    f.Soil improvement
    Fuels
    a.Biofuels
    Materials
    a.Dye/tanning
    b.Dyestuffs
    c.Lipids
    d.Poisonous to mammals
    f.Wax
  6. Location: Botanical Garden.

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