Cascabela thevetia

Cascabela thevetia, Yellow oleander, or Bestill tree、Lucky nut ,( scientific name: Cascabela thevetia, Synonyms: Thevetia peruviana) is a semi-cold tolerant deciduous shrub of the family Apocynaceae, which is native to tropical America such as Peru.
The leaves are light green, slender, shiny, and grow a lot. A yellow funnel-shaped flower with a fragrance that cannot be fully opened. A diamond-shaped fruit is formed after the flower. White milk sap is toxic.
In the same family genus, there is Nerium (scientific name: Nerium oleander. var. Indicum), which is usually found in town.

Common name: Cascabela thevetia, scientific name: Cascabela thevetia, synonym: Thevetia peruviana, alias: Yellow oleander, Bestill tree, Lucky nut, origin: Peru, etc., tropical America, tree height: 400 cm, flower color: yellow, flowering period: July-October, flower diameter: 3.5-4 cm, number of petals: 5.