Nyctanthes

Nyctanthes is a genus of small Indian trees belonging to the family Oleaceae. The tree of sadness (Nyctanthes arbor-tristis) bears numerous white, salver- shaped, very fragrant flowers which open at night and fall at sunrise.
Found on http://www.probertencyclopaedia.com/browse/BN.HTM

Nyctanthes

Nyctanthes is a genus of flowering plants in the family Oleaceae, native to southeastern Asia. It is currently accepted as containing two species; other species previously included in this genus have been transferred to other genera, most of them to Jasminum. They are shrubs or small trees growing to 10 m tall, with flaky bark. The leaves are oppo...
Found on http://en.wikipedia.org/wiki/Nyctanthes
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