Tectona

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Tectona
Tree in new leaves (Tectona grandis) I IMG 8133.jpg
Tectona grandis in new leaves in Kolkata, West Bengal, India.
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
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.

Contents

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]

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References

  1. "Angiosperm Phylogeny Website - Lamiales". Missouri Botanical Garden. Archived from the original on 2010-12-07. Retrieved 2010-12-18.
  2. 1 2 "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.