|2 - 3 m
|Best grown in full sun to partial shade with moist, well-drained soil. Space individuals 0.3 - 0.4 m apart. Flowers best under full sun, shady conditions inhibit flowering.
|Opposite leaves are elliptic or ovate with wavy leaf margin. Leaf apex is acute or has a distinct drip tip.
|Large, cup-shaped flowers have 5 pointed, slightly overlapping petals. The outer edge of each petal is curled inward to form a sharp point in the middle. Flowers occur in dense terminal clusters near the branch tips.
|Oblong, beaked fruit splits into 2 dry, dehiscent fruits known as follicles.
|Flowers are white. Bark is grey. Foliage is light green.
|Foliage is glossy. Bark is smooth.
|Suan Packkad Palace, Bangkok, Thailand.