Happy Heart by Clinique

Notes: Top note is Mandarin Orange; middle note is Water Hyacinth; base note is White Wood.

You can probably smell: Water hyacinth- a green, aquatic flower. 

Full bottles can be purchased from: Clinique and Chemist Warehouse

Looking for something similar? Hugo Woman by Hugo Boss is another affordable fragrance that features water hyacinth, although with more fruity accords added to it. Pleasures by Estee Lauder also has a similar vibe to this fragrance.