Ochna integerrima

Ochna integerrima
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Malpighiales
Family:	Ochnaceae
Genus:	Ochna
Species:	O. integerrima
Binomial name
Ochna integerrima (Lour.) Merr.

Ochna integerrima (Hoa Mai, Hoang Mai), is a tree species (sometimes shrub) of the family Ochnaceae. The spectacular yellow flowers of this plant make it very popular in southern Vietnam, where the plant is purchased during Tết, the traditional Vietnamese New Year. Ochna integerrima is also the provincial flower of Mukdahan province, Thailand.^{[citation needed]}

In Vietnamese, the variety of O. integerrima whose flowers have five petals is called mai vàng (yellow mai), whereas mai núi (mountain mai) flowers have between five and nine petals.