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Taxonavigation: Gentianales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Euasterids I
Ordo: Gentianales

Familia: Apocynaceae
Subfamilia: Rauvolfioideae
Tribus: Vinceae
Subtribus: Tonduziinae
Genus: Tonduzia
Species: T. longifolia


Tonduzia Pittier, Contr. U.S. Natl. Herb. 12: 103 (1908)

  • Type species: Tonduzia longifolia (A.DC.) Markgr., Repert. Spec. Nov. Regni Veg. 20: 112 (1924)

Note: Often accepted as a synonym of Alstonia R.Br. (Govaerts et al. 2017), but see Simões et al. (2016) for a treatment of its monophyly and Endress et al. (2014) for its reinstatement and classification.


  • Simões, A.O., Kinoshita, L.S., Koch, I., Silva, M.J. & Endress. M.E. 2016 Systematics and character evolution of Vinceae (Apocynaceae). Taxon 65(1): 99-122. doi: 10.12705/651.7 Reference page.