Calligonum

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Calligonum
File:Calligonum polygonoides.JPG
Calligonum polygonoides
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Subfamily: Polygonoideae
Genus: Calligonum
L.
Species

See text

Synonyms[1]
  • Calliphysa Fisch. & C.A.Mey.
  • Gibsonia Stocks
  • Pallasia L.f.
  • Polygonoides Ortega
  • Pterococcus Pall.

Calligonum is a genus of plants in the family Polygonaceae with about 41 species native to Northern Africa, Western, South, and Central Asia, and central China.[1]

Description

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Plants of the genus Calligonum are shrubs, diffusely but irregularly branched, with flexuous woody branches. Leaves are simple, opposite, nearly sessile, linear or scale-like, sometimes absent or very small, linear or filiform, distinct or united with short membranous ochreae. Flowers are bisexual, solitary or in loose axillary inflorescences. Flowers have persistent, 5-parted perianths not accrescent in fruit, and 10-18 stamens with filaments connate at the base. The ovary is tetragonous.[2][3]

Taxonomy

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The genus Calligonum was first published by Carl Linnaeus in 1753.[4] It is placed in the subfamily Polygonoideae, tribe Calligoneae, along with its sister genus, Pteropyrum.[5]

Species

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41 species are accepted.[1]

References

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