Tectona

Tectona
Tectona grandis in new leaves in Kolkata, West Bengal, India.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Tectona
L.f.
Species

Tectona is a genus of tropical hardwood trees in the mint family, Lamiaceae.[1][2][3] The three species are often collectively called teak.

Description

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.[4]

Systematics

Teak belongs to the family Lamiaceae (in older classifications in Verbenaceae). Sometimes it is included in the subfamily Prostantheroideae.[5] There are three species of Tectona:

The genus Tectona is a conserved name against the earlier homotypic synonym Theka Adans.[2] The genus was originally described by Carl Linnaeus the Younger in 1782.[6]

Notable examples

The biggest and oldest teak is in Uttaradit, Thailand. It is more than 1,500 years old. Its height is 47 metres.[clarification needed] [7]

References

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  1. ^ "Angiosperm Phylogeny Website - Lamiales". Missouri Botanical Garden. Archived from the original on 2010-12-07. Retrieved 2010-12-18.
  2. ^ a b "GRIN Taxonomy for Plants - Tectona". United States Department of Agriculture. Archived from the original on 2010-01-18. Retrieved 2010-12-18.
  3. ^ Heywood, V.H., Brummitt, R.K., Culham, A. & Seberg, O. 2007: Flowering Plant Families of the World. Royal Botanic Gardens, Kew.
  4. ^ Teak - The Wood Database
  5. ^ Singh, G. Plant systematics: an integrated approach. Science Publishers, 2004
  6. ^ "Tectona". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 17 December 2010.
  7. ^ "สกู๊ป.."มเหสักข์" ต้นสักใหญ่ที่สุดในโลก ข่าวสังคม - ครอบครัวข่าว3". Archived from the original on 2014-04-13. Retrieved 2013-03-25.

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