Colletia

{{Short description|Genus of flowering plants}}

{{Automatic taxobox

|image = Colletia cruciata4.jpg

|image_caption = Colletia paradoxa

|taxon = Colletia

|authority = Comm. ex Juss.

|subdivision_ranks = Species

|subdivision = See text

}}

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:{{cite web | url = http://www.theplantlist.org/1.1/browse/A/Rhamnaceae/Colletia/ | title = The Plant List entry for Colletia | date = September 2013 | website = The Plant List, v.1.1 | publisher = Royal Botanic Gardens, Kew and the Missouri Botanical Garden | accessdate = 14 December 2020}}{{cite web | url = https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331505-2 | author=Govaerts R | website = Plants of the World Online | title = Colletia Comm. ex Juss. | publisher=Board of Trustees of the Royal Botanic Gardens, Kew | accessdate = 15 December 2020}}

  • Colletia paradoxa (Spreng.) Escal. - crucifixion thorn, thorn of the cross, anchor plant

=Species names with uncertain taxonomic status=

The status of the following species and hybrids is unresolved:

{{div col|colwidth=350px}}

  • 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)

{{div col end}}

=Formerly placed here=

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

References

{{Reflist}}