# Colletia

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Genus of flowering plants

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

***Colletia*** is a [genus](/source/Genus) of [flowering plants](/source/Flowering_plant) belonging to the [Rhamnaceae](/source/Rhamnaceae) [family](/source/Family_(taxonomy)), with five species of spiny [shrubs](/source/Shrub). All [species](/source/Species) of this genus are native to southern South America. They are [non-legume nitrogen fixers](/source/Non-legume_nitrogen_fixer).

## Taxonomy

### Species

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

- *[Colletia hystrix](https://en.wikipedia.org/w/index.php?title=Colletia_hystrix&action=edit&redlink=1)* Clos - pink crucifixion thorn

- *[Colletia paradoxa](https://en.wikipedia.org/w/index.php?title=Colletia_paradoxa&action=edit&redlink=1)* (Spreng.) Escal. - crucifixion thorn, thorn of the cross, anchor plant

- *[Colletia spartioides](https://en.wikipedia.org/w/index.php?title=Colletia_spartioides&action=edit&redlink=1)* Bertero ex Colla

- *[Colletia spinosissima](https://en.wikipedia.org/w/index.php?title=Colletia_spinosissima&action=edit&redlink=1)* J.F.Gmel.

- *[Colletia ulicina](https://en.wikipedia.org/w/index.php?title=Colletia_ulicina&action=edit&redlink=1)* Gillies & Hook.

### Species names with uncertain taxonomic status

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

- *Colletia crenata* Regel ([unplaced](/source/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](/source/Celtis_iguanaea)* (Jacq.) Sarg. (as *Colletia iguanaea* Scop.)

- *[Discaria americana](https://en.wikipedia.org/w/index.php?title=Discaria_americana&action=edit&redlink=1)* Gillies & Hook. (as *Colletia longispina* Hook. & Arn. and *C. longissima* Steud.)

- *[Retanilla stricta](https://en.wikipedia.org/w/index.php?title=Retanilla_stricta&action=edit&redlink=1)* Hook. & Arn. (as *Colletia tetrandra* Clos)

- *[Retanilla trinervia](/source/Retanilla_trinervia)* (Gillies & Hook.) Hook. & Arn. (as *Colletia treba* Bertero ex Colla)

- *[Rhamnus diffusa](/source/Rhamnus_diffusa)* Clos (as *Colletia maytenoides* Griseb.)

- *[Scutia spicata](https://en.wikipedia.org/w/index.php?title=Scutia_spicata&action=edit&redlink=1)* (Humb. & Bonpl. ex Schult.) Weberb. (as *Colletia spicata* Humb. & Bonpl. ex Schult.)

- *[Trevoa campanulata](https://en.wikipedia.org/w/index.php?title=Trevoa_campanulata&action=edit&redlink=1)* (Phil.) Reiche (as *Colletia campanulata* Phil.)

- *[Trevoa quinquenervia](https://en.wikipedia.org/w/index.php?title=Trevoa_quinquenervia&action=edit&redlink=1)* Gillies & Hook. (as *Colletia tralhuen* Bertero ex Colla)

## References

1. ^ [***a***](#cite_ref-PlantList_1-0) [***b***](#cite_ref-PlantList_1-1) ["The Plant List entry for *Colletia*"](http://www.theplantlist.org/1.1/browse/A/Rhamnaceae/Colletia/). *[The Plant List](/source/The_Plant_List), v.1.1*. [Royal Botanic Gardens, Kew](/source/Royal_Botanic_Gardens%2C_Kew) and the [Missouri Botanical Garden](/source/Missouri_Botanical_Garden). September 2013. Retrieved 14 December 2020.

1. **[^](#cite_ref-POWO_2-0)** Govaerts R. ["*Colletia* Comm. ex Juss."](https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331505-2). *Plants of the World Online*. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 15 December 2020.

- Pink, A. (2004). [*Gardening for the Million*](https://www.gutenberg.org/ebooks/11892). [Project Gutenberg Literary Archive Foundation](/source/Project_Gutenberg).

## External links

- Media related to [Colletia](https://commons.wikimedia.org/wiki/Category:Colletia) at Wikimedia Commons

- [Strange Wonderful Things: Colletia paradoxa](http://www.strangewonderfulthings.com/246.htm)

Taxon identifiers Colletia Wikidata: Q2716537 Wikispecies: Colletia APDB: 189600 APNI: 73277 BOLD: 436585 CoL: 62MSQ EoL: 5536059 EPPO: 1CXTG GBIF: 3234540 GRIN: 2806 iNaturalist: 273247 IPNI: 33426-1 ITIS: 835333 NCBI: 3612 NZOR: e02b5c72-a0c1-4804-98f2-a43b504fc280 Open Tree of Life: 904373 PLANTS: COLLE3 POWO: urn:lsid:ipni.org:names:331505-2 Tropicos: 40012184 WFO: wfo-4000008935

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