This semi-deciduous suckering tree has a straight greyish trunk with spreading tiered branches that form a rounded crown. It has large bright green pendant elliptical leaves and the tube-shaped purple-white flowers appear in clusters from summer to autumn.

Hardiness zones 10 to 12 

Tectona grandis is naturally found from India to south-east Asia, Malaysia and the Philippines growing in monsoon forests where it is a threatened species. It grows in moist organic rich, variable pH soils in a protected sunny position and is frost and drought tender. 

Teak is grown for its timber or ornamentally for its foliage and its flowers. It is planted in large gardens, parks or as a specimen in botanic collections and is suitable for tropical gardens. It establishes in 2 to 3 years and is grown in humid closed forests. ID 2322

Note:
The succuring tree has a trunk that is grooved or fluted with soft light brown bark that peels off and the oily heart wood is aromatic. The tree is deciduous in monsoonal climates, but tends to be evergreen in regions with year round moisture. 

Tectona (tek-TON-ah) grandis (GRAN-dees)  

Lamiaceae (lay-mee-AY-see-ee) 
(Labiatae)
Mint Family