''Asphodeline tenuior'', the thin asphodeline, is a species of plant in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Asphodelaceae Asphodelaceae is a family of flowering plants in the order Asparagales. Such a family has been recognized by most taxonomists, but the circumscription has varied widely. In its current circumscription in the APG IV system, it includes about 4 ...

, subfamily

Asphodeloideae Asphodeloideae is a subfamily of the monocot family Asphodelaceae in the order Asparagales. It has previously been treated as a separate family, Asphodelaceae ''sensu stricto''. The family Asphodelaceae has now been proposed to be a nomen conser ...

.Stevens, P.F. (2001 onwards)
"Asphodeloideae"
''Angiosperm Phylogeny Website''. Retrieved 2016-06-10. It is native to the

Caucasus The Caucasus () or Caucasia (), is a region spanning Eastern Europe and Western Asia. It is situated between the Black Sea and the Caspian Sea, comprising parts of Southern Russia, Georgia, Armenia, and Azerbaijan. The Caucasus Mountains, i ...

(southern

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...

Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...

Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...

), as well as from eastern

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

and northwestern

Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

.Kew World Checklist of Selected Plant Families
/ref> Within Russia, it is known from eastern

Krasnodar Krai Krasnodar Krai (, ) is a federal subjects of Russia, federal subject of Russia (a krai), located in the North Caucasus region in Southern Russia and is administratively a part of the Southern Federal District. Its administrative center is the t ...

Karachay-Cherkessia Karachay-Cherkessia (), officially the Karachay-Cherkess Republic, is a republic of Russia located in the North Caucasus. It is administratively part of the North Caucasian Federal District. As of the 2021 census, Karachay-Cherkessia has a popul ...

, Stavropol Krai and western

Kabardino-Balkaria Kabardino-Balkaria (), officially the Kabardino-Balkarian Republic, is a republic of Russia located in the North Caucasus. As of the 2021 Census, its population was 904,200. Its capital is Nalchik. The area contains the highest mountain in ...

. It can be found on stony slopes and

scree Scree is a collection of broken rock fragments at the base of a cliff or other steep rocky mass that has accumulated through periodic rockfall. Landforms associated with these materials are often called talus deposits. The term ''scree'' is ap ...

on limestone and sandstone, from elevations of 500–1,000 m. It is threatened by habitat loss and degradation, due to lime pits, slope terracing and cattle pasturing. ;Subspecies and varieties # ''Asphodeline tenuior'' var. ''puberulenta'' Tuzlaci - eastern Turkey # ''Asphodeline tenuior'' subsp. ''tenuiflora'' (K.Koch) Tuzlaci - Turkey, Iran, south Caucasus # ''Asphodeline tenuior'' subsp. ''tenuior'' - north and south Caucasus Tenual and tenucarb are two

natural product A natural product is a natural compound or substance produced by a living organism—that is, found in nature. In the broadest sense, natural products include any substance produced by life. Natural products can also be prepared by chemical s ...

s, built around a 3-benzoxepin core, which have been isolated from ''A. tenuior'' and ''A. taurica''.

References

Asphodeloideae Vulnerable plants Flora of Russia Plants described in 1819 {{Asphodelaceae-stub