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Classification System: APG IV

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

Familia: Apocynaceae
Subfamilia: Rauvolfioideae
Tribus: Plumerieae
Subtribus: Thevetiinae
Genus: Thevetia
Species:T. ahouai - T. amazonica - T. bicornuta


Thevetia L., Opera Var. 212. (1758) nom. cons.

Type species: Thevetia ahouai (L.) DC., Prodr. [A. P. de Candolle] 8: 345. (1844)


Thevetia Adans., Fam. Pl. 2: 171, 611. (1763) nom. illeg. hom. (Apocynaceae)
Thevetia Vell., Fl. Flumin. 57. (1829) nom. illeg. hom. (Rutaceae)
Ahouai Mill., Gard. Dict. Abr. ed. 4. (1754) nom. rej.
Ahouai Tourn. ex Adans., Fam. Pl. 2: 171. 1763, nom. illeg. non Mill. (1754) orth. var.
Ahovai Boehmer in Ludwig, Def. Gen. Pl. 36. (1760) orth. var.
Plumeriopsis Rusby & Woodson, Ann. Missouri Bot. Gard. 24: 11. (1937)

Note: Generic circumscription is not settled, as Cascabela Raf. (1838) can often be found in synonymy (Endress et al., 2014 & Williams & Stutzman, 2008), but c.f. Alvarado-Cárdenas & Ochoterena (2007), Alvarado-Cárdenas et al. (2017) and Govaerts et al. (2017).

Linnaeus, C. 1758. Caroli Linnaei Opera Varia...Lucae [Lucca] 212.
Alvarado-Cárdenas, L.O. & Ochoterena, H. 2007. A phylogenetic analysis of the Cascabela–Thevetia species complex (Plumerieae, Apocynaceae) based on morphology. Annals of the Missouri Botanical Garden 94(2): 298-323. DOI: 10.3417/0026-6493(2007)94[298:APAOTC]2.0.CO;2 Reference page.
Alvarado-Cárdenas, L.O., Villaseñor, J.L., López-Mata, L., Cadena, J. & Ortiz, E. 2017. Systematics, distribution and conservation of Cascabela (Apocynaceae: Rauvolfioideae: Plumerieae) in Mexico. Plant Systematics and Evolution 303(3): 337-369. DOI: 10.1007/s00606-016-1375-6 Reference page.
Endress, M.E., Liede-Schumann, S. & Meve, U. 2014. An updated classification for Apocynaceae. Phytotaxa 159(3): 175–194. DOI: 10.11646/phytotaxa.159.3.2 ResearchGate Reference page.
Govaerts, R. et al. 2017. Thevetia in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2017 Oct. 10. Reference page.
International Plant Names Index. 2017. Thevetia. Published online. Accessed: Oct. 10 2017.
Williams, J.K. & Stutzman, J.K. 2008. Chromosome number of Thevetia ahouai (Apocynaceae: Rauvolfoidae: Plumerieae) with discussion on the generic boundaries of Thevetia. Journal of the Botanical Research Institute of Texas 2(1): 489-493. JSTOR Reference page.

Thevetia is a genus of flowering plants in the family Apocynaceae, first described for modern science as a genus in 1758. It is native to Mexico, Central America, South America, and Cuba.[1] The taxonomy of the genus is controversial, with some authors including Cascabela within Thevetia, while others accept the two genera as separate.[2]
Fruit and leaf detail of Thevetia ahouai


Thevetia ahouai (L.) A.DC. - Mexico, Central America, Cuba, Venezuela, Colombia
Thevetia amazonica Ducke - Brazil, Bolivia
Thevetia bicornuta Müll.Arg. - Brazil, Paraguay, NE Argentina

formerly included[1]

Thevetia alliodora = Cascabela ovata
Thevetia cuneifolia = Cascabela ovata
Thevetia gaumeri = Cascabela gaumeri
Thevetia humboldtii (Kunth) Voigt 1845 not R.H. Schomb. 1840 = Cascabela thevetioides
Thevetia linearis = Cascabela thevetia
Thevetia neriifolia = Cascabela thevetia
Thevetia ovata = Cascabela ovata
Thevetia peruviana = Cascabela thevetia
Thevetia pinifolia = Cascabela pinifolia
Thevetia plumeriifolia = Cascabela ovata
Thevetia spathulata = Cascabela gaumeri
Thevetia steerei = Cascabela gaumeri
Thevetia thevetia = Cascabela thevetia
Thevetia thevetioides = Cascabela thevetioides
Thevetia yccotli = Cascabela thevetioides


"World Checklist of Selected Plant Families". Retrieved May 17, 2014.
Leonardo O. Alvarado-Cárdenas and José Carmen Soto Núñez (2014). "A new species of Cascabela (Apocynaceae; Rauvolfioideae, Plumerieae) from Michoacán, Mexico" (PDF). Phytotaxa. 177 (3): 163–170. doi:10.11646/phytotaxa.177.3.4.

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