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.
Taxonomy
Species
Colletia comprises the following species:12
- 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:3
- 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)
- Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
External links
- Media related to Colletia at Wikimedia Commons
- Strange Wonderful Things: Colletia paradoxa
References
"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. http://www.theplantlist.org/1.1/browse/A/Rhamnaceae/Colletia/ ↩
Govaerts R. "Colletia Comm. ex Juss.". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 15 December 2020. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331505-2 ↩
"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. http://www.theplantlist.org/1.1/browse/A/Rhamnaceae/Colletia/ ↩