• Floral organogenesis inCassia fistula L. (Caesalpiniaceae)

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    • Keywords


      Cassia fistula ; floral organogenesis; nature of carpel

    • Abstract


      The five sepal primordia arise successively in clockwise sequence. Interprimordial growth initiates a short calyx tube. The petal primordia are formed almost simultaneously alternate to the sepal primordia. They are followed by the antesepalous stamen primordia which also appear simultaneously opposite the sepal primordia. The primordia of the antepetalous stamens are formed after the inception of the gynoecium. They are inserted inside the antesepalous stamen primordia. The floral apex grows up into a crescent-shaped gynoecial primordia. In floral developmentCassia differs from members of the Papilionaceae and Mimosaceae. The position of insertion of the leguminous carpel on the floral apex has been discussed and it was concluded that the carpel ofCassia is a terminal structure.

    • Author Affiliations


      V Singh1 2 Sunita Sharma1

      1. School of Plant Morphology, Meerut College, Meerut 250 001
      2. Department of Botany, Meerut University, Meerut 250 001
    • Dates


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