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Taxon: Ilex guayusa Loes.

Genus: Ilex
Family: Aquifoliaceae
Nomen number: 411941
Place of publication: Nova Acta Acad. Caes. Leop.-Carol. German. Nat. Cur. 78:310. 1901
Link to protologue:
Name Verified on: 25-Sep-1998 by ARS Systematic Botanists. Last Changed: 24-Oct-2005
Species priority site is:
Accessions: 0 (0 active, 0 available) in National Plant Germplasm System

Common names:

Economic Importance:

  • Human food: beverage base (for the stimulant drink "guayusa" fide Healing Forest 80. 1990)
  • Medicines: folklore (fide Healing Forest 80. 1990)

Distributional Range:


    Southern America
    • BRAZIL: Brazil [Acre]
    • WESTERN SOUTH AMERICA: Colombia, [Amazonas, Cauca, Nariño, Risaralda] Ecuador, [Morona Santiago, Napo, Pastaza, Pichincha, Zamora Chinchipe] Peru [Cajamarca, Loreto, Pasco]


    Southern America
    • WESTERN SOUTH AMERICA: Peru [Loreto]


  1. Alvaro Duque, M. et al. 2002. Different floristic patterns of woody understorey and canopy plants in Colombian Amazonia J. Trop. Ecol. 18:499-525.
  2. Brako, L. & J. L. Zarucchi Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 (L Peru)
  3. de la Torre, L. et al. Enciclopedia de las plantas útiles del Ecuador (Enci Pl Util Ecuador)
  4. Jørgensen, P. M. & S. León-Yánez, eds. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 (L Ecuador)
  5. Loizeau, P.-A. 1994. Les Aquifoliaceae péruviennes (Eléments pour une révision des Aquifoliaceae néotropicales) (Boissiera) 48:68, 177.
  6. Mabberley, D. J. The plant-book: a portable dictionary of the vascular plants, ed. 2 (Pl Book)
  7. Perrault-Archambault, M. & O. T. Coomes 2008. Distribution of agrobiodiversity in home gardens along the Corrientes river, Peruvian Amazon Econ. Bot. 62:109-126.
  8. Personal Care Products Council International Nomenclature Cosmetic Ingredient (INCI)
  9. Schultes, R. E. & R. E. Raffauf The healing forest: medicinal and toxic plants of the Northwest Amazonia. (Healing Forest)

Check other web resources for Ilex guayusa Loes. :

  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ICRA: International Cultivar Registration Authority (on-line resource). for Ilex guayusa cultivars
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=411941. Accessed 21 May 2019.