Cryptostegia grandiflora

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Photographs by: Dr. Maulik Gadani

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  • Botanical Name : Cryptostegia grandiflora Roxb. ex R.Br.
  • Common Name : Rubber Vel, Rubber Vine, Vilayati-Vacundi
  • Plant Family : Apocynaceae
  • Plant Form : Climbers
  • Occurrence (Sectors) : 28
  • Occurrence (Special Areas) : Gujarat Forestry Research Foundation, Indroda Park

About Cryptostegia grandiflora Plant :

  • Habit : A very large scandent shrub with climbing habit.
  • Leaves : Opposite, ovate-elliptic, narrow at both ends.
  • Inflorescence : Cymes.
  • Flowers :
    • Large, showy, bright rich lilac-purple or rose-pink.
    • Calyx deeply divided, segments 5, ovate, with wavy margins and glands at the base.
    • Corolla funnel-shaped, corona of 5 scales, each scale cleft into 2 pointed filaments.
    • Stamens 5, included, filaments free, anthersunited at the base with the stigma.
    • Pollinia solitary in the cells. Translator is spoon-shaped with adhesive disc at the top.
    • Carpels 2, 1-celled, inside the staminal column, ovules many.
  • Fruit : Follicles large, sharply-angular, seeds comose.
  • Flowering and Fruiting Time : March-September
  • Significance :
    • Common as a weed.
    • An inferior quality of rubber has been known to be produced from the milk.