Colliguaja is a plant genus of the family Euphorbiaceae first described as a genus in 1782.Molina, Giovanni Ignazio. 1782. Saggio sulla Storia Naturale del Chili del Signor Abate Giovanni Ignazio Molina 158–159, 354Tropicos, Colliguaja Molina It is native to South America.Kew World Checklist of Selected Plant FamiliesGovaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.Forzza, R. C. 2010. Lista de espécies Flora do Brasil . Jardim Botânico do Rio de Janeiro, Rio de Janeiro
Species Colliguaja brasillensis Klotzsch ex Baill. - Paraguay, S Brazil, Uruguay Colliguaja dombeyana A.Juss. - S Chile Colliguaja integerrima Gillies & Hook. - S Chile, W Argentina Colliguaja odorifera Molina - N & C Chile Colliguaja salicifolia Gillies & Hook. - C Chile
Formerly included moved to Spegazziniophytum Colliguaja patagonica Speg. - Spegazziniophytum patagonicum (Speg.) Esser in A.Radcliffe-Smith
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