|Tectona grandis in new leaves in Kolkata, West Bengal, India.|
Tectona is native to south and southeast Asia, mainly India, Pakistan, Bangladesh, Myanmar, Indonesia and Thailand, and are commonly found as a component of monsoon forest vegetation. They are large trees, growing to 30–40 m (90–120 ft.) tall, deciduous in the dry season. Tectona grandis is an economically important species which is the source of most commercial teak wood products.
- Tectona grandis (common teak) is by far the most important, with a wide distribution in Bangladesh, Sri Lanka, Myanmar, Thailand, China, India, and Pakistan.
- Tectona hamiltoniana (Dahat teak) is a local endemic species confined to Burma, where it is endangered.
- Tectona philippinensis (Philippine teak) is endemic to the Philippines, and is critically endangered according to the IUCN (http://iucnredlist.org/details/32123/0).
The biggest and oldest teak
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|Wikimedia Commons has media related to Tectona.|
- "Angiosperm Phylogeny Website - Lamiales". Missouri Botanical Garden.
- "GRIN Taxonomy for Plants - Tectona". United States Department of Agriculture.
- Heywood, V.H., Brummitt, R.K., Culham, A. & Seberg, O. 2007: Flowering Plant Families of the World. Royal Botanic Gardens, Kew.
- Teak - The Wood Database
- Singh, G. Plant systematics: an integrated approach. Science Publishers, 2004
- "Tectona". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew. Retrieved 17 December 2010.
- "Archived copy". Archived from the original on 2014-04-13. Retrieved 2013-03-25.CS1 maint: archived copy as title (link)