J. sambac is variable and includes a largenumber of cultivars bearing single, double flowers with elongated or rounded petals. Four distinct sub-varieties of J. sambac on the basis of shape of flower bud, petal
shape and number of whorls are reported4. The different varieties showed minorvariations in habit, internode length, size,
shape of leaf, calyx, number of whorls of petals and their size and shape, size of open flower and in the number of stamen, but marked difference were observed in the length of style and stigma (1)
.