Haloxylon

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Haloxylon
Haloxylon ammodendron.jpg
Haloxylon ammodendron
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Subfamily: Salsoloideae
Tribe: Salsoleae
Genus: Haloxylon
Bunge ex Fenzl

Haloxylon is a genus of shrubs or small trees, belonging to the plant family Amaranthaceae. Haloxylon and its species are known by the common name saxaul. "Saksaul" is a common Turkic word [1] that entered Russian through Kazakh.

Contents

Description

The species of genus Haloxylon are shrubs or small trees 1–8 metres (3+12–26 feet) (rarely up to 12 m or 39 ft) tall, with a thick trunk and many branches. The branches of the current year are green, from erect to pendant. The leaves are reduced to small scales. The inflorescences are short shoots borne on the stems of the previous year. The flowers are very small, as long or shorter than the bracteoles, bisexual or male. The two stigmas are very short. In fruit, the perianth segments develop spreading wings. The fruit with wings is about 8 millimetres (14 in) in diameter. The seed is about 1.5 mm (116 in) in diameter. [2]

Distribution and habitat

The genus Haloxylon is distributed in southwest and Central Asia, from Egypt to Mongolia and China (Xinjiang and Gansu), where it grows in sandy habitats (psammophyte). [2]

Taxonomy

The genus name Haloxylon was published by Alexander Bunge (ex Eduard Fenzl) in 1851, with the type species Haloxylon ammodendron ; it belongs to the subfamily Salsoloideae in the family Amaranthaceae and Plants of the World Online includes: [3]

  1. Haloxylon ammodendron (C.A.Mey.) Bunge ex Fenzl – black saxaul
  2. Haloxylon gracile (Aellen) Hedge
  3. Haloxylon griffithii (Moq.) Boiss.
  4. Haloxylon multiflorum (Moq.) Bunge ex Boiss.
  5. Haloxylon negevensis (Iljin & Zohary) L.Boulos
  6. Haloxylon persicum Bunge – white saxaul
  7. Haloxylon salicornicum (Moq.) Bunge ex Boiss.
  8. Haloxylon schmittianum Pomel
  9. Haloxylon scoparium Pomel
  10. Haloxylon tamariscifolium (L.) Pau
  11. Haloxylon thomsonii Bunge ex Boiss.

Phylogenetic research revealed that several species formerly included in Haloxylon are not related to this genus. They are now classified to genus Hammada ; the former Haloxylon stocksii (syn. Haloxylon recurvum) has been moved to Soda stocksii .

The common name saxaul, sometimes sacsaoul or saksaul, comes from the Russian саксаул (saksaul), which is from Kazakh сексеуiл (seksewil).

Ecology

In the deserts of Central Asia, a large number of birds are associated with saxaul, including the saxaul sparrow. [4]

Uses

The trees are used by nomads across the steppes of Central Asia as firewood. [5]

In the former bed of the Aral Sea, saxaul trees are being planted to stop the wind picking up contaminated sand from the dried up sea bed and spreading them through the atmosphere. The plan is to cover the entire former bed with a forest. [6]

Related Research Articles

<span class="mw-page-title-main">Salsoloideae</span> Subfamily of flowering plants

The Salsoloideae are a subfamily of the Amaranthaceae, formerly in family Chenopodiaceae.

<span class="mw-page-title-main">Chenopodioideae</span> Subfamily of flowering plants

The Chenopodioideae are a subfamily of the flowering plant family Amaranthaceae in the APG III system, which is largely based on molecular phylogeny, but were included – together with other subfamilies – in the family Chenopodiaceae, or goosefoot family, in the Cronquist system.

<i>Haloxylon ammodendron</i> Species of tree

Haloxylon ammodendron, variously called the saxaul, black saxaul, also spelled sacsaoul or saksaul is a plant belonging to the family Amaranthaceae. "Saksaul" is a common Turkic word that entered Russian through Kazakh.

<i>Halogeton</i> Genus of flowering plants

Halogeton is a plant genus of the family Amaranthaceae. The genus name, Halogeton, derives from the Greek words for "salt" and for "neighbor."

<i>Suaeda</i> Genus of aquatic plants

Suaeda is a genus of plants also known as seepweeds and sea-blites. Most species are confined to saline or alkaline soil habitats, such as coastal salt-flats and tidal wetlands. Many species have thick, succulent leaves, a characteristic seen in various plant genera that thrive in salty habitats.

<i>Salsola</i> Genus of plants

Salsola is a genus of the subfamily Salsoloideae in the family Amaranthaceae. The genus sensu stricto is distributed in central and southwestern Asia, North Africa, and the Mediterranean. A common name of various members of this genus and related genera is saltwort, for their salt tolerance. The genus name Salsola is from the Latin salsus, meaning "salty".

<i>Haloxylon persicum</i> Species of plant

Haloxylon persicum, the white saxaul, is a small tree belonging to the family Amaranthaceae. Its range is Western Asia, including the Palestine region, Egypt, Sinai, South Iraq, Saudi Arabia, Iran, Oman, UAE, Afghanistan, and Pakistan, to Central Asia, and China.

<i>Halothamnus</i> Genus of flowering plants

Halothamnus is a genus in the subfamily Salsoloideae of the family Amaranthaceae. The scientific name means saltbush, from the Greek ἅλς (hals) "salt" and θαμνος (thamnos) "bush". This refers either to salty habitats or to the accumulation of salt in the plants. The genus is distributed from Southwest and Central Asia to the Arabian peninsula and East Africa.

<i>Halothamnus glaucus</i> Species of flowering plant

Halothamnus glaucus is a species of the plant genus Halothamnus, that belongs to the subfamily Salsoloideae of the family Amaranthaceae,. It occurs in Western and Central Asia.

<i>Ammodendron</i> Genus of legumes

Ammodendron is a genus of flowering plants, called the sand acacias, in the family Fabaceae. It contains five species, which range from Iran through Central Asia to Xinjiang. It belongs to the subfamily Faboideae. Its name is derived from the Greek άμμοςammos ("sand") and δένδρονdendron ("tree").

<i>Soda stocksii</i> Species of shrub

Soda stocksii is a shrub species of the family Amaranthaceae.

<span class="mw-page-title-main">Suaedoideae</span> Subfamily of flowering plants

The Suaedoideae are a subfamily of plants in the family Amaranthaceae.

<i>Anabasis</i> (plant) Genus of plants

Anabasis is a genus of plants in the subfamily Salsoloideae of the family Amaranthaceae. It is distributed in southern Europe, North Africa, and Asia.

<i>Halostachys</i> Genus of flowering plants

Halostachys is a genus of flowering plants in the plant family Amaranthaceae, containing a single species, Halostachys caspica. The plants are small to medium halophytic shrubs with apparently jointed fleshy stems and scale-like leaves. They are native to western and central Asia and northern China.

<i>Kalidium</i> Genus of flowering plants

Kalidium is a genus of flowering plants in the plant family Amaranthaceae. The species are shrubby halophytes distributed in Southeast Europe, Southwest Asia and Central Asia to China.

Haloxylon salicornicum is a shrub or undershrub belonging to the family Amaranthaceae. It is a desert shrub and is found in Palestine, Jordan, Egypt, Saudi Arabia, Kuwait, Oman, United Arab Emirates, Afghanistan and Pakistan.

<i>Seidlitzia</i> Genus of Amaranthaceae plants

Seidlitzia was genus of flowering plants belonging to the family Amaranthaceae, now considered a synonym of genus Soda. It is also in the Salsoloideae subfamily.

<i>Caroxylon</i> Genus of Chenopodiaceae plants

Caroxylon is a genus of shrubby flowering plants in the family Amaranthaceae, found in drier areas of the Old World, including southern Africa, Madagascar, northern Africa, Mediterranean islands of Europe, the Canary Islands, Socotra, Ukraine, Russia, western Asia, Central Asia, India, western and northern China, and Mongolia.

Kaviria is a genus of flowering plants belonging to the family Amaranthaceae.

<i>Hammada</i> (plant) Genus of flowering plants

Hammada is a genus of flowering plants belonging to the family Amaranthaceae. It is also in the Salsoloideae subfamily. Although it is a very unclear and unsorted genus with many species that have later been classed as synonyms.

References

  1. Каримуллина, Г. Н. (2007). "Тюркизмы в русской лингвографии XVIII – XX вв.: семантико-функциональный аспект" (PDF). Ученые записки Казанского государственного университета (in Russian). 149. Retrieved 8 February 2024.
  2. 1 2 Hedge, I. C. (1997). "Haloxylon". In Rechinger, Karl Heinz; et al. (eds.). Flora Iranica Bd. 172, Chenopodiaceae. Graz: Akad. Druck. pp. 315–326. ISBN   3-201-00728-5.
  3. Plants of the World Online: Haloxylon Bunge ex Fenzl (retrieved 5 March 2024)
  4. Maclean, Gordon Lindsay (1996). "Avian adaptations to deserts of the Northern and Southern hemispheres: a comparison" (PDF). Curtin University of Technology School of Environmental Biology Bulletin (17). Archived from the original (PDF) on 2008-07-26. Retrieved 2010-02-16.
  5. Bougdaeva, Saglar (10 January 2023). Jangar: The Heroic Epic of the Kalmyk Nomads. Oakland: U of California P. p. 252. ISBN   9780520344723.
  6. Qobil, Rustam (31 May 2018). "Restoring life to the Aral Sea's dead zone". BBC News. Retrieved 2 June 2018.