Based on the above observation, the floral ontogeny of thisdouble-petal jasmine cultivar could be divided into seven keydevelopmental stages: (I) Small green bud stage, (II) Small white budstage, (III) Enlarged bud stage, (IV) Elongated bud stage, (V) Longestbud stage, (VI) Partially-open flower stage, and (VII) Fully-open flower(or Anthesis) stage. They are summarized in Table 1.