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232.0000 Family Polygalaceae Hoffmanns. & Link; Fl. Portug. [Hoffmannsegg] 1: 62 (1809), nom. cons.
27 genera, ca. 1300 spp.
Species listed in database: 1325; hybrids: 4
= Diclidantheraceae J.Agardh; Theoria Syst. Pl. 195 (1858), nom. cons.
= Moutabeaceae Pfeiff.; Nomencl. Bot. [Pfeiffer] 2: 364 (1873)
= Xanthophyllaceae Gagnep. ex Reveal & Hoogland; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 12: 206 (1990)
232.0411 Genus Rhinotropis (S.F.Blake) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 134 (2011)
Distribution: SW-USA, Mexico
Species listed in database: 17
= Polygala sect.Rhinotropis S.F.Blake; Contr. Gray Herb. 47: 70 (1916)
species :
Rhinotropis acanthoclada (A.Gray) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 134 (2011)
Name: Desert polygala
Distribution: USA (Arizona, California, Utah)
76 USA
Synonyms: hidden
= Polygala acanthoclada A.Gray; Proc. Amer. Acad. Arts 11: 73 (1876)
species :
Rhinotropis californica (Nutt.) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 134 (2011)
Name: California milkwort (EN)
Distribution: USA (California, Oregon)
73 USA 76 USA
Synonyms: hidden
= Polygala californica Nutt.; Fl. N. Amer. [Torrey & A.Gray] 1: 671 (1840)
= Polygala cucullata Newb.; Pacif. Railr. Rep. 6(3, no. 2), Bot. [Williamson & Abbot] 70 (1857), nom. illeg.
species :
Rhinotropis cornuta (Kellogg) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 134 (2011)
Name: Sierra milkwort (EN)
Distribution: USA (California); Mexico (Baja California Norte)
76 USA 79 MEX
Synonyms: hidden
= Polygala cornuta Kellogg; Proc. Calif. Acad. Sci., Ser. 2, 1: 63 (1873)
= Polygala cornuta subsp. fishiae (Parry) Munz; Fl. S. Calif. [Munz] 669 (1974)
= Polygala cornuta subsp. pollardii (Munz) Munz; Fl. S. Calif. [Munz] 669 (1974)
= Polygala cornuta var. fishiae (Parry) Jeps.; Man. Fl. Pl. Calif. [Jepson] 594 (1925)
= Polygala cornuta var. pollardii Munz; Aliso 4: 93 (1958)
= Polygala fishiae Parry; Proc. Davenport Acad. Nat. Sci. 4: 39 (sp. dub.) (1884)
= Rhinotropis cornuta var. fishiae (Parry) J.R.Abbott; J. Bot. Res. Inst. Texas 5: 134 (2011)
species :
Rhinotropis desertorum (Brandegee) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Baja California Norte, Baja California Sur)
79 MEX
Synonyms: hidden
= Polygala desertorum Brandegee; Proc. Calif. Acad. Sci., Ser. 2, 2: 130 (1889)
species :
Rhinotropis heterorhyncha (Barneby) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Beaked spiny polygala
Distribution: USA (California, Nevada)
76 USA
Synonyms: hidden
= Polygala heterorhyncha (Barneby) T.Wendt; J. Arnold Arbor. 60(4): 504 (1979)
= Polygala subspinosa var. heterorhyncha Barneby; Leafl. W. Bot. 3: 194 (1943)
species :
Rhinotropis intermontana (T.Wendt) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Intermountain milkwort (EN)
Distribution: USA (Arizona, California, Nevada, Utah)
76 USA
Synonyms: hidden
= Polygala acanthoclada var. intricata Eastw.; Proc. Calif. Acad. Sci., Ser. 2, 6: 283 (1896)
= Polygala intermontana T.Wendt; J. Arnold Arbor. 60(4): 505 (1979), nom. nov.
species :
Rhinotropis lindheimeri (A.Gray) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Shrubby milkwort (EN)
Distribution: USA (Texas); Mexico (Aguascalientes, Chihuahua, Coahuila, Durango, Guanajuato, Hidalgo, Nuevo Leon, Queretaro, San Luis Potosí, Sonora, Tamaulipas, Veracruz, Zacatecas)
77 USA 79 MEX
Synonyms: hidden
= Polygala lindheimeri A.Gray; Boston J. Nat. Hist. 6: 150 (1850)
= Polygala emoryi S.F.Blake; Contr. Gray Herb. 47: 72 (1916)
variant :
var. eucosma (S.F.Blake) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Durango, Coahuila, Nuevo Leon, etc.)
79 MEX
Synonyms: hidden
= Polygala eucosma S.F.Blake; Contr. Gray Herb. 47: 72 (1916)
= Polygala lindheimeri var. eucosma (S.F.Blake) T.Wendt; J. Arnold Arbor. 60(4): 511 (1979)
variant :
var. parvifolia (Wheelock) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: USA (Arizona, New Mexico, Oklahoma, Texas); Mexico (Chihuahua, Sonora, Nuevo Leon, Coahuila)
74 USA 76 USA 77 USA 79 MEX
Synonyms: hidden
= Polygala arizonae Chodat; Mém. Soc. Phys. Genève 31(2, 2): 108 (1893)
= Polygala arizonae var. tenuifolia Chodat; Mém. Soc. Phys. Genève 31(2, 2): 109 (1893)
= Polygala blepharotropis S.F.Blake; Contr. Gray Herb. 47: 73 (1916)
= Polygala lindheimeri var. parvifolia Wheelock; Mem. Torrey Bot. Club 2: 143 (1890)
= Polygala parvifolia (Wheelock) Wooton & Standl.; Contr. U.S. Natl. Herb. 19: 392 (1915)
= Polygala pycnophylla Brandegee; Univ. Calif. Publ. Bot. 6: 366 (1917)
= Polygala texensis B.L.Rob.; Syn. Fl. N. Amer. 1(1): 451 (1897)
= Polygala tweedyi Britton; Mem. Torrey Bot. Club 2: 143 (1891)
species :
Rhinotropis madrensis (T.Wendt) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Nuevo Leon, Tamaulipas)
79 MEX
Synonyms: hidden
= Polygala madrensis T.Wendt; Lundellia 5: 27 (2002)
species :
Rhinotropis maravillasensis (Correll) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Maravillas milkwort (EN)
Distribution: USA (Texas); Mexico (Chihuahua, Coahuila)
77 USA 79 MEX
Synonyms: hidden
= Polygala maravillasensis Correll; Wrightia 3: 131 (1965)
species :
Rhinotropis minutifolia (Rose) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Coahuila, Nuevo Leon)
79 MEX
Synonyms: hidden
= Polygala minutifolia Rose; Contr. U.S. Natl. Herb. 13: 307 (1911)
species :
Rhinotropis nitida (Brandegee) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Hidalgo, Jalisco, Nuevo Leon, Queretaro, San Luis Potosí, Tamaulipas, Veracruz, Zacatecas)
79 MEX
Synonyms: hidden
= Polygala nitida Brandegee; Univ. Calif. Publ. Bot. 4: 272 (1912)
variant :
var. goliadensis (T.Wendt) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Shining milkwort (EN)
Distribution: USA (Texas)
77 USA
Synonyms: hidden
= Polygala nitida var. goliadensis T.Wendt; J. Arnold Arbor. 60(4): 508 (1979)
variant :
var. lithophila (S.F.Blake) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico
79 MEX
Synonyms: hidden
= Polygala nitida var. lithophila (S.F.Blake) T.Wendt; J. Arnold Arbor. 60(4): 507 (1979)
= Polygala lithophila S.F.Blake; Contr. Gray Herb. 47: 74 (1916)
= Polygala erythrorrhiza Barneby; Rhodora 72: 69 (1970)
variant :
var. tamaulipana (T.Wendt) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Tamaulipas milkwort (EN)
Distribution: USA (Texas); Mexico (Nuevo Leon)
77 USA 79 MEX
Synonyms: hidden
= Polygala nitida var. tamaulipana T.Wendt; J. Arnold Arbor. 60(4): 508 (1979)
species :
Rhinotropis nudata (Brandegee) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Smallflower milkwort (EN)
Distribution: USA (Texas); Mexico (Chihuahua, Coahuila, Nuevo Leon, Tamaulipas)
77 USA 79 MEX
Synonyms: hidden
= Polygala nudata Brandegee; Univ. Calif. Publ. Bot. 4: 183 (1911)
species :
Rhinotropis parryi (A.W.Benn.) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Durango, San Luis Potosí)
79 MEX
Synonyms: hidden
= Polygala parryi A.W.Benn.; Diagn. Pl. Nov. Mexic. 21 (1879)
species :
Rhinotropis purpusii (Brandegee) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Distribution: Mexico (Chiapas, Hidalgo, Oaxaca, Puebla, Veracruz)
79 MEX
Synonyms: hidden
= Polygala purpusii Brandegee; Univ. Calif. Publ. Bot. 4: 88 (1910)
species :
Rhinotropis rimulicola (Steyerm.) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Steyermark´s milkwort (EN)
Distribution: USA (New Mexico, Texas)
77 USA
Synonyms: hidden
= Polygala rimulicola Steyerm.; Ann. Missouri Bot. Gard. 19: 390 (1932)
variant :
var. mescalerorum (T.Wendt & Todsen) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Mescalero milkwort (EN)
Distribution: USA (New Mexico)
77 USA
Synonyms: hidden
= Polygala rimulicola var. mescalerorum T.Wendt & Todsen; Madroño 29(1): 20 (1982)
species :
Rhinotropis rusbyi (Greene) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Rusby´s milkwort (EN)
Distribution: USA (Arizona)
76 USA
Synonyms: hidden
= Polygala rusbyi Greene; Bull. Torrey Bot. Club 10: 125 (1883)
species :
Rhinotropis subspinosa (S.Watson) J.R.Abbott; J. Bot. Res. Inst. Texas 5(1): 135 (2011)
Name: Spiny milkwort (EN)
Distribution: USA (Arizona, California, Colorado, New Mexico, Nevada, Utah)
73 USA 76 USA 77 USA
Synonyms: hidden
= Polygala lasseniana A.Heller; Leafl. W. Bot. 2: 220 (1940)
= Polygala subspinosa S.Watson; Amer. Naturalist 7: 299 (1873)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.03 (March 30th, 2026)

Covering 359,184 accepted species,
8,882 hybrids, 47,737 accepted infraspecific taxa and 1,007,635 synonyms,
in total 1,423,438* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]


With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life