Colletia


Colletia is a genus of flowering plants belonging to the Rhamnaceae family, 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:Colletia hystrix Clos - pink crucifixion thornColletia paradoxa  Escal. - crucifixion thorn, thorn of the cross, anchor plantColletia spartioides Bertero ex CollaColletia spinosissima J.F.Gmel.Colletia ulicina Gillies & Hook.

Species names with uncertain taxonomic status

The status of the following species and hybrids is unresolved:Colletia crenata Regel Colletia cruzerillo Bertero Colletia disperma Moc. & Sessé ex DC. Colletia horrida Brongn. ex Drap. Colletia velutina Spreng.

Formerly placed here

Celtis iguanaea Discaria americana Retanilla stricta Retanilla trinervia Rhamnus diffusa Scutia spicata Trevoa campanulata
  • ''Trevoa quinquenervia''