Tectona grandis L.f.

  • Family : VERBENACEAE
    (Verbena Or Vervain Family)
  • Family (Hindi name) : SAGVAN FAMILY (सागवान फैमिली)
  • Family (as per The APG System III) : LAMIACEAE
  • Species Name (as per The Plant List) : Tectona grandis L.f.
  • Common name : Teak wood tree, Indian Oak
  • Vernacular name : Sagvaan (Hindi); Saguvani mara, Thega mara (Kannada); Thaekku, Thanagaamaram (Tamil); Shaka (Sanskrit); Sag, Sagwan (Marathi); Teku (Telugu); Thekku (Malayalam)
  • Habit : Tree
  • Habitat : Moist deciduous forests and also raised in plantations
  • Comments / notes : Planted for its valuable wood, known commercially as Teak.
  • Key identification features : A tall straight deciduous tree. Young branches are square and deeply channelled. Leaves are large, in opposite pairs with variable shapes and rough-textured. Flowers are small (less than 0.5 cm.), white, sweet-scented and borne on highly branched inflorescences. Fruit is hard and enveloped by bladder-like calyx. Bark is grey, closely furrowed, furrows parallel.
  • Flower, Fruit : April-September
  • Distribution :
    • Andhra Pradesh : Srikakulam district, Vishakapatnam district, Vizianagaram district, East Godavari district, West Godavari district, Krishna district, Guntur district, Prakasam district, Kurnool district, Nellore district, Kadapa district, Anantapur district, Chittoor district
    • Telangana : Nalgonda district, Mehboobnagar district, Khammam district
    • Kerala : All districts of Kerala
    • Maharashtra : All districts of Maharashtra (Planted)
    • Tamil Nadu : Alagar Hills (Madurai district), Kolli Hills (Namakkal district), Shevaroy Hills, Kalrayan Hills, Bodamalai Hills (Salem district), Pachamalai Hills (Tiruchirapalli district), Chitteri Hills, Yelagiri Hills (Vellore district), Sirumalai Hills (Dindigul district), Piranmalai Hills (Sivaganga district), Theerthamalai Hills, Dharmapuri Hills (Dharmapuri district), Gingee Hill (Villipuram district), Javadu Hills (Tiruvannamalai district)
  • Native : Southeast Asia and Malesia
  • World Distribution : Tropical South Asia & Malaysia
  • Conservation Status : Not Evaluated (NE)
  • Literature : Parthsarathy, N & Pragasan , A L 2009. Check List 5(3):542-569; Matthew, K.M., The Flora of Tamil Nadu Carnatic, Vol.3 (1). Diocesan Press, Madras. 1983; Sasidharan, N. 2011. Flowering plants of Kerala. DVD, V 2, KFRI.
  • Citation : Sankara Rao, K., Raja K Swamy, Deepak Kumar, Arun Singh R. and K. Gopalakrishna Bhat (2019). Flora of Peninsular India. http://peninsula.ces.iisc.ac.in/plants.php?name=Tectona grandis. Downloaded on 19 October 2021.

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