Calligonum

Calligonum is a genus of plants in the family Polygonaceae with about 80 species across the Mediterranean Sea region, Asia and North America.

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

See text

Description

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.[1][2]

Taxonomy

The genus Calligonum was first published by Carl Linnaeus in 1753.[3] It is placed in the subfamily Polygonoideae, tribe Calligoneae, along with its sister genus, Pteropyrum.[4]

Species
  • Calligonum acanthopterum I.G.Borshch.
  • Calligonum alatosetosum Maassoumi & Kazempour
  • Calligonum aphyllum (Pall.) Gürke
  • Calligonum arborescens Litv.
  • Calligonum azel Maire
  • Calligonum babakianum Godw.
  • Calligonum bakuense Litv.
  • Calligonum bucocladum Bunge
  • Calligonum bykovii Godw.
  • Calligonum calvescens Maire
  • Calligonum caput-medusae Schrenk
  • Calligonum crinitum Boiss.
  • Calligonum crispum Bunge
  • Calligonum cristatum Bunge
  • Calligonum ebinuricum N.A.Ivanova ex Soskov
  • Calligonum eriopodum Bunge
  • Calligonum junceum (Fisch. & C.A.Mey.) Litv.
  • Calligonum klementzii Losinsk.
  • Calligonum laristanicum Rech.f. & Schiman-Czeika
  • Calligonum leucocladum (Schrenk) Bunge
  • Calligonum litwinowii Drobow
  • Calligonum macrocarpum I.G.Borshch.
  • Calligonum matteianum Drobow
  • Calligonum mejidum Al-Khayat
  • Calligonum microcarpum I.G.Borshch.
  • Calligonum mongolicum Turcz.
  • Calligonum murex Bunge
  • Calligonum polygonoides L.
  • Calligonum rubicundum Bunge
  • Calligonum santoanum Korovin
  • Calligonum schizopterum Rech.f. & Schiman-Czeika
  • Calligonum setosum (Litv.) Litv.
  • Calligonum spinosetosum Maassoumi & Batooli
  • Calligonum taklimakanense B.R.Pan & K.M.Shen
  • Calligonum tetrapterum Jaub. & Spach
  • Calligonum trifarium Z.M.Mao
  • Calligonum triste Litv.
  • Calligonum turbineum Pavlov
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References
  1. "Flora of Pakistan". Efloras.org. Retrieved 2013-11-23.
  2. "Flora of China". Efloras.org. Retrieved 2013-11-23.
  3. "Plant Name Details for Calligonum L." The International Plant Names Index. Retrieved 2019-03-08.
  4. Schuster, Tanja M.; Reveal, James L.; Bayly, Michael J. & Kron, Kathleen A. (2015), "An updated molecular phylogeny of Polygonoideae (Polygonaceae): Relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia", Taxon, 64 (6): 1188–1208, doi:10.12705/646.5
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