|Tectona grandis in new leaves in Kolkata, West Bengal, India.|
Tectona is a genus of tropical hardwood trees in the mint family, Lamiaceae. The three species, often collectively called teak, are native to south and southeast Asia, mainly India, Pakistan, Bangladesh, Burma, 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, 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://www.iucnredlist.org/details/32123/0).
The biggest and oldest teak
The biggest and oldest teak is in Uttaradit, Thailand. It is more than 1,500 years old. Its height is 47 metres.
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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.
- Singh, G. Plant systematics: an integrated approach. Science Publishers, 2004
- "Plant Name Details for Tectona" (HTML). International Plant Names Index (IPNI). International Organization for Plant Information (IOPI). Retrieved 17 December 2010.
- "Archived copy". Archived from the original on 2014-04-13. Retrieved 2013-03-25.