Spiraeanthus

Spiraeanthus is a monotypic genus of shrub in the rose family containing the single species Spiraeanthus schrenkianus. It is native to Kazakhstan and possibly Kyrgyzstan.[1] It is a resident of low parts of Karatau Mountains and gravely Betpak-Dala deserts.

Spiraeanthus
in the Karatau Mountains, Kazakhstan
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Subfamily: Amygdaloideae
Tribe: Sorbarieae
Genus: Spiraeanthus
(Fisch. & C.A.Mey.) Maxim.
Species:
S. schrenkianus
Binomial name
Spiraeanthus schrenkianus
(Fisch. & C.A.Mey.) Maxim.

The genus name comes from Latin: spiraea and Greek: 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 inflorescences of rose spiraealike flowers. It is a relict of the Eocene and the closest relative of Chamaebatiaria.[2]

This species is included on the Regional Red List of Kazakhstan. It is under protection in the Karatau Nature Reserve.

References
  1. 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.
  2. Kamelin, R. V. Flora Syrdarinskogo Karatau. Leningrad: Nauka, 1990 (In Russian) ISBN 5-02-026548-9


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