Pronunciation/Pronunciación:	An-ti-phy`-tum
Etymology/Etimología:	anti, against, in place of/contra, en lugar de + phytum, plant/planta
Synonyms/Sinónimos:	Amblynotopsis J.F.Macbr., Contr. Gray Herb. 48: 41. 1916 Amphibologyne Brand, 1931 Chamissoniophila Brand, 1929 Thaumatocaryon Baill. Bull. Mens. Soc. Linn. Paris 839. 1890
Type Species/EspeciesTipo:	Antiphytum cruciatum (Cham.) A.DC. (see Johnston, 1923)

Distribution/Distribución
From / De GBIF. 2017. Global Biodiversity Information Facility. http://www.gbif.org.


Species/Especies (NA=North / Norte America; SA=South / Sur America)

Antiphytum brevicalyx N.Mend., FloresOlv. & H. Ochoterena	NA (Mexico)
Antiphytum caespitosum I.M.Johnst.	NA (Mexico)
Antiphytum charruasorum N.Mend. & MarinaDíaz	SA (Uruguay)
Antiphytum cruciatum (Cham.) A.DC.	SA (Argentina, Brazil, Uruguay)
Antiphytum ehrenbergii (Brand) Govaerts	NA (Mexico)
Antiphytum floribundum (Torr.) A.Gray	NA (Mexico, USA: New Mexico, Texas)
Antiphytum fruticosum Moc. ex A.DC.	NA (Mexico)
Antiphytum goeffreyi N.Mend. & FloresOlv.	NA (Mexico)
Antiphytum heliotropioides A.DC.	NA (Mexico, USA: Texas)
Antiphytum hintoniorum L.C.Higgins & B.L.Turner	NA (Mexico)
Antiphytum humilis (Brand) Govaerts	NA (Mexico)
Antiphytum nudicalces I.M.Johnst.	NA (Mexico)
Antiphytum paniculatum I.M.Johnst.	NA (Mexico)
Antiphytum parryi S.Watson	NA (Mexico)
Antiphytum peninsulare (Rose) I.M.Johnst.	NA (Mexico)
Antiphytum stoechadifolium (Cham.) A.DC.      [=Antiphytum cruciatum (Cham.) A.DC., sensu Johnston 1923]	SA

Synonoms/Sinónimos

Antiphytum bornmuelleri Pilg.    Antiphytum bornmuelleri Pilg. var. asperior Pilg.   Antiphytum linifolium A.DC. Antiphytum mexicanum A.DC. Antiphytum tetraquetrum (Cham.) I.M.Johnst. Antiphytum walpersii A.DC.

=Antiphytum tetraquetrum (Cham.) A.DC.    =Antiphytum tetraquetrum (Cham.) A.DC.    =Plagiobothrys kunthii (J.F.Macbride) I.M.Johnst.    =Heliotropium calcicola Fernald   NA (Mexico) =Thaumatocaryon tetraquetrum (Cham.) I.M.Johnst. =Plagiobothrys kunthii (J.F.Macbride) I.M.Johnst.

Key/Clave (modified after/de Johnston 1923)

Leaves all opposite; corolla bluish; South American    Inflorescences with only the terminal flower of each dichasial branching; corollas white; eremocarp cicatrix infra-ventral ... A. charruasorum    Inflorescences with flowers in scorpioid cymes; corollas blue; eremocarp cicatrix basal       Leaves 15.0–30.0 x 3.0–6.0 mm, oblanceolate; eremocarps 1.3–1.4 x 1.0–1.1 mm ... A. cruciatum       Leaves 25.0–50.0 x 0.15–1.0 mm, linear; eremocarps 1.8–2.0 x 1.4–1.6 mm ... A. stoechadifolium Leaves alternate at least above; corolla yellow or white; Mexican    Calyx lobes shorter than corolla tube ... A. brevicalyx    Calyx lobes equal to longer than corolla tube       Pedicels elongating, becoming 5-10 mm long; leaves alternate only in the inflorescence; corolla with definite tube and faucal appendages ... A. heliotropioides       Pedicels not elongatmg, at most 5 mm long; leaves in basal rosettes, alternate, or only lowermost opposite          Corolla subrotate, throat broad and open, tube practically undeveloped; appendages lacking, stamens exposed             Stems strictly erect, 3-8 dm high; basal leaves few, oblanceolate to linear-oblanceolate, canescent, 3-10 mm broad ... A. floribundum             Stems decumbent, less than 2 dm tall; basal leaves numerous, crowded, very narrowly linear, silvery, 1-2 mm broad ... A. paniculatum          Corolla salverform, tube cylindrical and well developed; appendages well developed; stamen included and hidden             Corolla white; fruiting calyx 8 mm long, sparsely strigose-hispid; plant bushy, about 5 dm tall                Inflorescence position basal; corolla limb diameter 4.7–5.0 mm ... A. geoffreyi                Inflorescence position distal; corolla limb diameter 10.0–12.0 mm ... A. peninsulare             Corolla yellow; fruiting calyx 2-5 mm long, densely strigose; plant caespitose or with a prostrate shrubby caudex, 1-2 dm high                Plant with a loosely branched shrubby caudex; leaves not in basal rosettes, all cauline ... A. nudicalces                Plant densely caespitose; basal leaves in dense rosettes                   Corolla about 5 mm broad; style surpassing nutlets; fruiting calyx 3-4 mm long ... A. caespitosum                   Corolla about 1 mm broad; style not surpassing nutlets; fruiting calyx 2-3 mm long ... A. parryi

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