Pentagonia williamsii

Taxonavigation

Taxonavigation: Gentianales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Lamiids Ordo: Gentianales

Familia: Rubiaceae
Subfamilia: Dialypetalanthoideae
Tribus: Dialypetalantheae
Genus: Pentagonia
Species: Pentagonia williamsii

Name

Pentagonia williamsii Standl., Publ. Field Mus. Nat. Hist., Bot. Ser. 8(3): 167 (1930), as 'Pentagonia Williamsii'

• Typus: Llewelyn Williams 1949 (in flower, 30 July 1929; Holotypus: F 604516 [IRN: 329508^(GBIF), 331502^(GBIF), 331503^(GBIF)]).
• Type locality: Peru. Dept. Loreto: Pebas, on the Amazon River.

Distribution

Native distribution areas:
Continental: Southern America Regional: Western South America Ecuador, Peru. Regional: Brazil Brazil North (Acre). References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

Notes

• Ecuadoran occurrence is represented by W.T. Vickers 95 (collected in Napo, 9 January 1975; deposited in F [​1872441^(GBIF)]).
• PWO cites Catálogo de plantas y líquenes de Colombia (2015) and Food Plants International (2021) as sources of Colombian occurrence of this species, but the former does not contain any entry of this name and entry of the latter presents distribution 'Brazil, Ecuador, Panama, Peru, South America'.
• Flora e Funga do Brasil (2023) cites C. Ferreira[D.C. Daly] 10350 (collected at Mun. Marechal Thaumaturgo, Acre, Brazil, 2 December 2000; deposited in MO, NY [​NY00802570^(GBIF)]).

References

Primary references

• Standley, P.C. 1930. Studies of American Plants—IV. Publications of the Field Museum of Natural History, Botanical Series 8(3): 133–236. BHL Reference page. 

Additional references

• Jørgensen, P.M. & León-Yánez, S. (eds.) 1999. Catalogue of the Vascular Plants of Ecuador. Monographs in Systematic Botany from the Missouri Botanical Garden 75: i–viii, 1–1181. Online. Reference page. 
• Taylor, C.M. 2020. "Pentagonia williamsii". In: Studies in Tropical Rubiaceae. Tropicos. Accessed: 5 January 2023.

Links

• International Plant Names Index. 2022. Pentagonia williamsii. Published online. Accessed: 20 November 2022.
• "Pentagonia williamsii" in Flora e Funga do Brasil. Jardim Botânico do Rio de Janeiro. Accessed: 6 June 2023.
• Global Biodiversity Information Facility. 2023. GBIF Backbone Taxonomy. Checklist dataset. Taxon: Pentagonia williamsii. Accessed: 2023 June 6.
• Govaerts, R. et al. 2023. Pentagonia williamsii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2023 June 20. Reference page. 

Vernacular names

português: Pau-brasil [in Acre]