Colletia

Colletia is a genus of flowering plants in the family Rhamnaceae, with five species of spiny shrubs. All species of this genus are native to southern South America. They are non-legume nitrogen fixers.

Colletia
Colletia paradoxa
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rhamnaceae
Tribe: Colletieae
Genus: Colletia
Comm. ex Juss.
Species

See text

Taxonomy

Species

Colletia comprises the following species:[1][2]

  • Colletia hystrix Clos - pink crucifixion thorn
  • Colletia paradoxa (Spreng.) Escal. - crucifixion thorn, thorn of the cross, anchor plant
  • Colletia spartioides Bertero ex Colla
  • Colletia spinosissima J.F.Gmel.
  • Colletia ulicina Gillies & Hook.

Species names with uncertain taxonomic status

The status of the following species and hybrids is unresolved:[1]

  • Colletia crenata Regel (unplaced)
  • Colletia cruzerillo Bertero (unplaced)
  • Colletia disperma Moc. & Sessé ex DC. (unplaced)
  • Colletia horrida Brongn. ex Drap. (unplaced)
  • Colletia velutina Spreng. (unplaced)

Formerly placed here
  • Celtis iguanaea (Jacq.) Sarg. (as Colletia iguanaea Scop.)
  • Discaria americana Gillies & Hook. (as Colletia longispina Hook. & Arn. and C. longissima Steud.)
  • Retanilla stricta Hook. & Arn. (as Colletia tetrandra Clos)
  • Retanilla trinervia (Gillies & Hook.) Hook. & Arn. (as Colletia treba Bertero ex Colla)
  • Rhamnus diffusa Clos (as Colletia maytenoides Griseb.)
  • Scutia spicata (Humb. & Bonpl. ex Schult.) Weberb. (as Colletia spicata Humb. & Bonpl. ex Schult.)
  • Trevoa campanulata (Phil.) Reiche (as Colletia campanulata Phil.)
  • Trevoa quinquenervia Gillies & Hook. (as Colletia tralhuen Bertero ex Colla)

References
  1. "The Plant List entry for Colletia". The Plant List, v.1.1. Royal Botanic Gardens, Kew and the Missouri Botanical Garden. September 2013. Retrieved 14 December 2020.
  2. Govaerts R. "Colletia Comm. ex Juss.". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 15 December 2020.


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