''Spiraeanthus'' is a monotypic genus of

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

in the

rose family Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. Among the most species-rich genera are '' Alchemilla'' (270), ''Sorbus ...

containing the single species ''Spiraeanthus schrenkianus''. It is native to

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbeki ...

and possibly

Kyrgyzstan Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the east. ...

.Participants of the FFI/IUCN SSC Central Asian Regional Tree Red Listing Workshop, Bishkek, Kyrgyzstan (11-13 July 2006)
''Spiraeanthus schrenkianus''.
The IUCN Red List of Threatened Species 2007. Downloaded on 20 November 2015. It is a resident of low parts of

Karatau Mountains The Karatau or Qaratau ( kk, Қаратау жотасы, Qarataw jotasy) is a mountain range located in southern Kazakhstan. The name Karatau means ''Black Mountain'' in the Kazakh language. The mountains have deposits of phosphorite, lead and ...

and gravely

Betpak-Dala Betpak-Dala or Betpaqdala ( kk, Бетпақдала, ''Betpaqdala''; from Turkic ''batpak'', “swampy,” or Persian ''bedbaht'', “unlucky” and Turkic ''dala'', “plain”; Russian: Бетпак-Дала or Сeверная Голодна� ...

deserts. The genus name comes from la, spiraea and gr, ανθος- flower. This is a shrub covered in fernlike foliage made up of fronds of small leaflets. At the ends of the erect branches of this spreading bush are

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

s of rose spiraealike flowers. It is a

relict A relict is a surviving remnant of a natural phenomenon. Biology A relict (or relic) is an organism that at an earlier time was abundant in a large area but now occurs at only one or a few small areas. Geology and geomorphology In geology, a r ...

of the

Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...

and the closest relative of ''

Chamaebatiaria ''Chamaebatiaria'' is a monotypic genus of aromatic shrub in the rose family containing the single species ''Chamaebatiaria millefolium'', which is known by the common names fern bush and desert sweet. Its genus name comes from its physical rese ...

''.Kamelin, R. V. ''Flora Syrdarinskogo Karatau.''

Leningrad Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...

: Nauka, 1990 (In Russian) This species is included on the

Regional Red List A Regional Red List is a report of the threatened status of species within a certain country or region. It is based on the IUCN Red List of Threatened Species, an inventory of the conservation status of species on a global scale. Regional Red ...

of Kazakhstan. It is under protection in the

Karatau Nature Reserve Karatau Nature Reserve ( kk, Қаратау мемлекеттік табиғи қорығы, ''Qaratau memlekettık tabiği qoryğy'') is a wildlife refuge in the mid-part of the Karatau Mountains, near Kyzylkum, Betpak-Dala and Moiynkum deserts ...

References

External links

Red Book of KazakhstanPhoto at mobot.org
* Sorbarieae Monotypic Rosaceae genera Flora of Kazakhstan {{amygdaloideae-stub