Ditaxis

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Malpighiales

Familia: Euphorbiaceae
Subfamilia: Acalyphoideae
Tribus: Chrozophoreae
Subtribus: Ditaxinae
Genus: Ditaxis
Species: D. acaulis – D. adenophora – D. aphoroides – D. argothamnoides – D. arlynniana – D. brandegeei – D. breviramea – D. calycina – D. catamarcensis – D. claryana – D. cuneifolia – D. cyanophylla – D. depressa – D. desertorum – D. dioica – D. erubescens – D. fasciculata – D. gardneri – D. guatemalensis – D. haitiensis – D. heterantha – D. humilis – D. illimaniensis – D. jablonszkyana – D. katharinae – D. lanceolata – D. macrantha – D. macrobotrys – D. malmeana – D. malpighiacea – D. malpighipila – D. manzanilloana – D. mercurialina – D. montevidensis – D. pilosissima – D. polygama – D. pringlei – D. purpurascens – D. rhizantha – D. rosularis – D. rubricaulis – D. salina – D. sellowiana – D. serrata – D. simoniana – D. simulans
Source(s) of checklist:

Govaerts, R. et al. 2020. Ditaxis in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jun 09. Reference page.

Name

Ditaxis Vahl ex A.Juss., 1824

Type species: Ditaxis fasciculata Vahl ex A. Juss.

Synonyms

Heterotypic
Aphora Nutt., Trans. Amer. Philos. Soc., n.s., 5: 174 (1835).
Serophyton Benth., Bot. Voy. Sulphur: 52 (1844).
Stenonia Didr., Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1857: 146 (1857).
Paxia Herter, Estud. Bot. Reg. Uruguay 4: 80 (1931), nom. illeg.
Paxiuscula Herter, Revista Sudamer. Bot. 6: 92 (1939).

References
Primary references

Vahl, M. ex A.Juss., 1824. De Euphorbiacearum Generibus medisque earumdem viribus tentamen: 27.

Links

Govaerts, R. et al. 2020. Ditaxis in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jun 09. Reference page.
International Plant Names Index. 2020. Ditaxis. Published online. Accessed: Jun 09 2020.
Govaerts, R. et al. 2020. Ditaxis in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jun 09. Reference page.
Tropicos.org 2020. Ditaxis. Missouri Botanical Garden. Published on the internet. Accessed: 2020 Jun 09.
USDA, ARS, Germplasm Resources Information Network. Ditaxis (Euphorbiaceae) in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names

Ditaxis is a plant genus of the family Euphorbiaceae first described as a genus in 1824.[2][3] Its name comes from Greek dis ("two") and taxis ("rank"), referring to the stamens which are in two whorls. The genus is widespread across much of the Western Hemisphere from the southern United States to Uruguay.[1][4][5][6][7]

Species[1]

Ditaxis acaulis - S Brazil, NE Argentina, Paraguay, Uruguay
Ditaxis adenophora - Arizona, Sonora, S California
Ditaxis aphoroides - S Texas
Ditaxis argothamnoides - Florida, Aruba, Curaçao, Trinidad, Colombia, Venezuela
Ditaxis arlynniana - Coahuila
Ditaxis brandegeei - Arizona, Baja California, Baja California Sur, Sonora
Ditaxis breviramea - Bolivia, Paraguay, NW Argentina
Ditaxis calycina - Leeward Islands
Ditaxis catamarcensis - N Argentina
Ditaxis clariana - SE California, SW Arizona, Baja California
Ditaxis cuneifolia - Espírito Santo
Ditaxis cyanophylla - Arizona, New Mexico
Ditaxis depressa - Puebla
Ditaxis desertorum - Bahia
Ditaxis dioica - Peru
Ditaxis erubescens - Venezuela incl islands in Caribbean
Ditaxis fasciculata - Cuba, Puerto Rico, Lesser Antilles, NE Brazil
Ditaxis gardneri - Ceará
Ditaxis guatemalensis - Mexico, Central America
Ditaxis haitiensis - Hispaniola
Ditaxis heterantha - Mexico
Ditaxis humilis - from Kansas + Colorado south to Durango
Ditaxis illimaniensis - Bolivia
Ditaxis jablonszkyana - NW Argentina
Ditaxis katharinae - Peru
Ditaxis lanceolata - California, Arizona, Baja California
Ditaxis macrantha - Ecuador
Ditaxis macrobotrys - Panama
Ditaxis malmeana - Mato Grosso
Ditaxis malpighiacea - Piauí, Pernambuco
Ditaxis malpighipila - Argentina from Mendoza to Rio Negro
Ditaxis manzanilloana - Oaxaca, Colima
Ditaxis mercurialina - Arkansas, Kansas, Texas, New Mexico, Mexico
Ditaxis montevidensis - S Brazil, NE Argentina, Paraguay, Uruguay
Ditaxis pilosissima - Texas
Ditaxis polygama - West Indies, Colombia, Venezuela
Ditaxis pringlei - Oaxaca, Morelos, Jalisco
Ditaxis purpurascens - Mato Grosso
Ditaxis rhizantha - Uruguay
Ditaxis rosularis - NW Argentina, Paraguay
Ditaxis rubricaulis - Venezuela incl islands in Caribbean
Ditaxis salina - Paraguay, Formosa
Ditaxis sellowiana - S Brazil
Ditaxis serrata - Mexico, Guatemala, SW United States
Ditaxis simoniana - E + SE Brazil
Ditaxis simulans - Texas, Coahuila

formerly included[1]

moved to other genera (Adelia Argythamnia Caperonia Chiropetalum Philyra )

D. argentea - Argythamnia argentea
D. brasiliensis - Philyra brasiliensis
D. castaneifolia - Caperonia castaneifolia
D. chiropetala - Chiropetalum berteroanum
D. cordata - Caperonia cordata
D. haemiolandra - Adelia ricinella
D. linearifolia - Caperonia linearifolia
D. polymorpha - Caperonia heteropetala
D. polymorpha var. brevifolia - Caperonia aculeolata
D. polymorpha var. buttnerioides - Caperonia heteropetala
D. polymorpha var. longifolia - Caperonia heteropetala
D. tinctoria - Argythamnia tinctoria

References

Kew World Checklist of Selected Plant Families
Jussieu, Adrien Henri Laurent de. 1824. De Euphorbiacearum Generibus Medicisque earumdem viribus tentamen, tabulis aeneis 18 illustratum 27, pl. 7, f. 24
Tropicos
Govaerts, 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 "Archived copy". Archived from the original on 2015-09-06. Retrieved 2015-08-20.. Jardim Botânico do Rio de Janeiro, Rio de Janeiro
Martínez Gordillo, M., J. J. Ramírez, R. C. Durán, E. J. Arriaga, R. García, A. Cervantes & R. M. Hernández. 2002. Los géneros de la familia Euphorbiaceae en México. Anales del Instituto de Biología de la Universidad Nacional Autónoma de México, Botánica 73(2): 155–281.
Molina Rosito, A. 1975. Enumeración de las plantas de Honduras. Ceiba 19(1): 1–118.