The Irano-Turanian Region is a
floristic region
A phytochorion, in phytogeography, is a geographic area with a relatively uniform composition of plant species. Adjacent phytochoria do not usually have a sharp boundary, but rather a soft one, a transitional area in which many species from both re ...
located within the Tethyan Subkingdom of the
Holarctic Kingdom. It is divided into 12
floristic provinces according to the work of
Armen Takhtajan
Armen Leonovich Takhtajan or Takhtajian (; surname also transliterated Takhtadjan, Takhtadzhi︠a︡n or Takhtadzhian, pronounced takh-tuh-JAHN; 10 June 1910 – 13 November 2009), was a Soviet- Armenian botanist, one of the most important fi ...
, a Soviet-Armenian botanist who created a classification system for
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s. One of the main characteristics of the region is a great diversity and abundance of species, especially in the
Iranian Plateau
The Iranian plateau or Persian plateau is a geological feature spanning parts of the Caucasus, Central Asia, South Asia, and West Asia. It makes up part of the Eurasian plate, and is wedged between the Arabian plate and the Indian plate. ...
. The region's climate is predominantly
continental
Continental may refer to:
Places
* Continental, Arizona, a small community in Pima County, Arizona, US
* Continental, Ohio, a small town in Putnam County, US
Arts and entertainment
* ''Continental'' (album), an album by Saint Etienne
* Continen ...
, with most of the precipitation occurring in the winter and spring.
References
{{Asia-geo-stub
Floristic regions