372.0000
Family
Polygonaceae Juss.; Gen. Pl. [Jussieu] 82 (1789), nom. cons.
52 genera, ca. 1450 spp.
Species listed in database: 1475; hybrids: 152
= Calligonaceae Khalk.; Dokl. Akad. Nauk Uzbeksk. S.S.R. (1985)(11): 45 (1985)
= Eriogonaceae G.Don; Hort. Brit. [Sweet], ed. 3: 580 (1839)
= Persicariaceae Martinov; Tekhno-Bot. Slovar 473 (1820)
= Rumicaceae Martinov; Tekhno-Bot. Slovar 554 (1820)
372.3101
Genus
Oxygonum Burchell ex Campderá; Monogr. Rumex 18 (1819)
Distribution: Tropical and South Africa, Madagascar (1)
Species listed in database: 36
= Ceratogonon Meisn.; Pl. Asiat. Rar. [Wallich] 3: 63 (1832)
= Owenia Hilsenb. ex Meisn.; Prodr. [A.P. de Candolle] 14: 39 (1856)
species :
Oxygonum acetosella
Welw.; Trans. Linn. Soc. London 27: 60 (1869)
Distribution: SW-Angola; Namibia
26 ANG 27 NAM
species :
Oxygonum alatum
Burch.; Trav. S. Africa 1: 548 (1822)
Distribution: S-Angola; SW-Zimbabwe; Namibia; Botswana; South Africa (North-West Prov., N-Cape Prov.)
26 ANG ZIM 27 BOT NAM SAF
Synonyms: hidden
= Oxygonum alatum f. latelanceolatum Schinz; Bull. Herb. Boissier, Sér. 2, 1: 871 (1901)
= Oxygonum alatum f. linearilanceolatum Schinz; Bull. Herb. Boissier, Sér. 2, 1: 871 (1901)
= Oxygonum alatum f. pinnatificum Schinz; Bull. Herb. Boissier, Sér. 2, 1: 871 (1901)
= Oxygonum alatum f. subcarnosum Schinz; Bull. Herb. Boissier, Sér. 2, 1: 871 (1901)
= Oxygonum alatum var. incisum Sond.; Linnaea 23: 98 (1850)
= Oxygonum alatum var. integrifolium Sond.; Linnaea 23: 98 (1850), nom. inval.
= Oxygonum alatum var. marlothii Engl.; Bot. Jahrb. Syst. 10: 6 (1888)
= Oxygonum canescens var. subglabrum Schinz; Bull. Herb. Boissier 4(App. 3): 57 (1896)
variant :
var. longisquamatum
Germish.; Bothalia 17(2): 186 (1987)
Distribution: Angola; Namibia; Botswana
26 ANG 27 BOT NAM
species :
Oxygonum altissimum
Germish.; Bothalia 19(2): 210 (1989)
Distribution: C-Somalia
24 SOM
species :
Oxygonum annuum
S.Ortiz & Paiva; Bot. J. Linn. Soc. 131(2): 172 (1999)
Distribution: Angola; W-Zambia
26 ANG ZAM
species :
Oxygonum atriplicifolium
(Meisn.) Martelli; Fl. Bogos. 69 (1886)
Distribution: Egypt; Chad; Somalia; E-Kenya; Zambia; Madagascar; Mauritius [I]
20 EGY 24 CHA SOM 25 KEN 26 ZAM 29 mau MDG
Synonyms: hidden
= Ceratogonon atriplicifolium Meisn.; Pl. Asiat. Rar. [Wallich] 3: 63 (1832)
= Ceratogonon owenii (Bojer) Bojer ex Desjardins; 7me. Rapp. Ann. Trav. Soc. Hist. Nat. Maurice 37 (1836)
= Oxygonum denhardtii De Wild.; Pl. Bequaert. 4: 313 (1928)
= Oxygonum fagopyroides Dammer ex Peter; Repert. Spec. Nov. Regni Veg., Beih. 40(2): 186 (1932), in clavi
= Oxygonum somalense Chiov.; Ric. Idrogeol. Bot. Entomol. Somalia Ital. Merid. [Stefanini & Paoli] 1: 1: 152 (1916)
= Oxygonum somalense var. pterocarpum Chiov.; Fl. Somala 2: 380 (1932)
= Oxygonum somalense var. trichocarpum Chiov.; Fl. Somala 2: 380 (1932)
= Polygonum owenii Bojer; Ann. Sci. Nat., Bot., Sér. 2, 4: 267., t. 9 (1835)
species :
Oxygonum auriculatum
R.A.Graham; Kew Bull. [12]: 152 (1957)
Distribution: NE-Angola
26 ANG
Remarks: only known from type collected in 1937
species :
Oxygonum buchananii
(Dammer) Gillett; Kew Bull. [8]: 83 (1953)
Distribution: C-Tanzania; Angola; S-Malawi
25 TAN 26 ANG MLW
Synonyms: hidden
= Polygonum buchananii Dammer; Pflanzenw. Ost-Afrikas C 170 (1895)
species :
Oxygonum carnosum
R.A.Graham; Kew Bull. [12]: 236 (1957)
Distribution: N-Zambia
26 ZAM
Remarks: only known from type
species :
Oxygonum delagoense
Kuntze; Revis. Gen. Pl. 3(2): 268 (1898)
Distribution: Tanzania; Angola; Zimbabwe; S-Mozambique; Namibia; Botswana; South Africa (Limpopo, North-West Prov., Mpulamanga, KwaZulu-Natal, N-Cape Prov.); Eswatini [Swaziland]
25 TAN 26 ANG MOZ ZIM 27 BOT NAM SAF SWZ
Synonyms: hidden
= Oxygonum delagoense var. robustum Kuntze; Revis. Gen. Pl. 3(3): 269 (1898)
= Oxygonum junodii De Wild.; Pl. Bequaert. 4: 314 (1928)
species :
Oxygonum dregeanum
Meisn.; Linnaea 14: 487 (1840)
subspecies :
subsp. dregeanum
Distribution: Namibia; South Africa (KwaZulu-Natal, E-Cape Prov.)
27 NAM SAF
Synonyms: hidden
= Oxygonum alatum var. dregeanum (Meisn.) Sond.; Linnaea 23: 98 (1850)
= Oxygonum dregei Meisn.; Prodr. [A.P. de Candolle] 14: 38 (1857)
= Oxygonum natalense Schltr.; Bot. Jahrb. Syst. 40: 92 (1907)
= Polygonum dregei (Meisn.) Meisn.; Prodr. [A.P. de Candolle] 14: 98 (1857)
variant :
var. wittei
(Staner) R.A.Graham
Distribution: D.R.Congo [Zaire]
23 ZAI
Synonyms: hidden
= Oxygonum wittei Staner; Rev. Zool. Bot. Africaines 21: 329 (1932)
= Oxygonum overlaetii Robyns; Bull. Jard. Bot. État Bruxelles 17: 162 (1944)
subspecies :
subsp. canescens
(Sond.) Germish.; Bothalia 18(2): 175 (1988)
Distribution: Botswana; South Africa (Limpopo, North-West Prov., Gauteng, Mpulamanga, Free State, N-Cape Prov.)
27 BOT SAF
Synonyms: hidden
= Oxygonum calcaratum Burch. ex Meisn.; Prodr. [A.P. de Candolle] 14: 38 (1857)
= Oxygonum canescens Sond.; Linnaea 23: 100 (1859)
= Oxygonum canescens var. subglabra Schinz
= Oxygonum dentatum Meisn.; Linnaea 14: 488 (1841)
= Oxygonum dregeanum var. canescens (Sond.) R.A.Graham; Kew Bull. [12]: 167 (1957)
= Oxygonum zeyheri Sond.; Linnaea 23: 100 (1850)
variant :
var. dissectum
Germish.; Bothalia 18(2): 176 (1988)
Distribution: South Africa (Limpopo)
27 SAF
variant :
var. linearifolium
Germish.; Bothalia 18(2): 175 (1988)
Distribution: South Africa (North-West Prov., Gauteng, Mpulamanga, KwaZulu-Natal)
27 SAF
variant :
var. lobophyllum
Germish.; Bothalia 18(2): 177 (1988)
Distribution: South Africa (Limpopo, Mpulamanga); Eswatini [Swaziland]
27 SAF SWZ
variant :
var. pilosum
Germish.; Bothalia 18(2): 177 (1988)
Distribution: South Africa (Limpopo)
27 SAF
subspecies :
subsp. lanceolatum
Germish.; Bothalia 18(2): 178 (1988)
Distribution: South Africa (Mpulamanga, KwaZulu-Natal); Eswatini [Swaziland]
27 SAF SWZ
subspecies :
subsp. streyi
Germish.; Bothalia 18(2): 173 (1988)
Distribution: South Africa (KwaZulu-Natal)
27 SAF
subspecies :
subsp. strictum
(C.H.Wright) Paiva & S.Ortiz; Fl. Zambes. 9(3): 37 (2006)
Distribution: S-D.R.Congo [Zaire]; Tanzania; Angola; Zambia; Zimbabwe
23 ZAI 25 TAN 26 ANG ZAM ZIM
Synonyms: hidden
= Oxygonum delagoense var. strictum C.H.Wright; Fl. Trop. Afr. [Oliver et al.] 6(1): 100 (1909)
= Oxygonum dregeanum var. pubescens (C.H.Wright) Burtt Davy; Man. Pl. Transvaal [Burtt Davy] 1: 167 (1926)
= Oxygonum dregeanum var. strictum (C.H.Wright) R.A.Graham; Kew Bull. [12]: 167 (1957)
= Oxygonum pubescens C.H.Wright; Bull. Misc. Inform. Kew 1909: 187 (1909)
subspecies :
subsp. swazicum
(Burtt Davy) Germish.; Bothalia 18(2): 174 (1988)
Distribution: South Africa (Mpulamanga); Eswatini [Swaziland]
27 SAF SWZ
Synonyms: hidden
= Oxygonum dregeanum var. swazicum (Burtt Davy) R.A.Graham
= Oxygonum zeyheri var. swazicum Burtt Davy
species :
Oxygonum ellipticum
R.A.Graham; Kew Bull. [12]: 156 (1957)
Distribution: W-Tanzania
25 TAN
Remarks: only known from type collected in 1950
species :
Oxygonum fruticosum
Dammer ex Milne-Redh.; Bull. Misc. Inform. Kew 1933: 142 (1933)
Distribution: SE-D.R.Congo [Zaire]; NE-Angola; W-Zambia
23 ZAI 26 ANG ZAM
Synonyms: hidden
= Oxygonum callensii Robyns & Petit; Bull. Jard. Bot. État Bruxelles 24: 6 (1954)
= Oxygonum fruticosum Dammer; Kunene-Sambesi-Exped. [Warburg] 231
species :
Oxygonum gramineum
R.A.Graham; Kew Bull. [12]: 170 (1957)
Distribution: E-Angola
26 ANG
species :
Oxygonum hastatum
S.Ortiz; Bot. J. Linn. Soc. 142(3): 343 (2003)
Distribution: Somalia
24 SOM
species :
Oxygonum hirtum
Peter; Repert. Spec. Nov. Regni Veg., Beih. 40(2. Anh.): 18 (1932)
Distribution: N-Tanzania
25 TAN
Remarks: only known from destroyed type
species :
Oxygonum leptopus
Mildbr.; Notizbl. Bot. Gart. Berlin-Dahlem 11: 810 (1933)
Distribution: E-Tanzania
25 TAN
Remarks: only known from type collected in 1932
species :
Oxygonum limbatum
R.A.Graham; Kew Bull. [12]: 165 (1957)
Distribution: NE-Angola
26 ANG
Remarks: only known from type collected in 1937
species :
Oxygonum lineare
De Wild.; Pl. Bequaert. 4: 315 (1928)
Distribution: S-D.R.Congo [Zaire]; NE-Angola
23 ZAI 26 ANG
species :
Oxygonum litorale
R.A.Graham; Kew Bull. [12]: 153 (1957)
Distribution: N-Zambia
26 ZAM
species :
Oxygonum lobatum
R.A.Graham; Kew Bull. [12]: 159 (1957)
Distribution: E-Tanzania
25 TAN
species :
Oxygonum magdalenae
Dammer ex Peter; Repert. Spec. Nov. Regni Veg., Beih. 40(2): 186 (1932), in clavi.
Distribution: S-Tanzania
25 TAN
species :
Oxygonum ovalifolium
Robyns & E.Petit; Bull. Jard. Bot. État Bruxelles 24: 7 (1954)
Distribution: S-D.R.Congo [Zaire]
23 ZAI
Remarks: only known from type collected in 1950
species :
Oxygonum pachybasis
Milne-Redh.; Hooker´s Icon. Pl. 33(1): 3215 (1933)
Distribution: SE-D.R.Congo [Zaire]; Angola; W-Zambia
23 ZAI 26 ANG ZAM
species :
Oxygonum pterocarpum
Osborne & Vollesen; Kew Bull. 70(2)-21: 2 (2015)
Distribution: Tanzania
25 TAN
species :
Oxygonum quarrei
De Wild.; Contr. Fl. Katanga Suppl. 1, 11 (1927)
Distribution: SE-D.R.Congo [Zaire]
23 ZAI
Remarks: only known from type collected in 1927
species :
Oxygonum robustum
Germish.; Bothalia 17(1): 40 (1987)
Distribution: South Africa (KwaZulu-Natal)
27 SAF
species :
Oxygonum sagittatum
R.A.Graham; Kew Bull. [12]: 158 (1957)
Distribution: NE-Kenya
25 KEN
Remarks: only known from type
species :
Oxygonum salicifolium
Dammer; Abh. Königl. Akad. Wiss. Berlin 1894: 41 (1894)
Distribution: S-Kenya; Tanzania; Angola
25 KEN TAN 26 ANG
species :
Oxygonum schliebenii
Mildbr.; Notizbl. Bot. Gart. Berlin-Dahlem 14: 103 (1938)
Distribution: S-Tanzania
25 TAN
species :
Oxygonum sinuatum
(Hochst. & Steud. ex Meisn.) Dammer; Nat. Pflanzenfam. [Engler & Prantl] III, 1a: 30 (1892)
Distribution: Egypt (SE-Egypt); Niger; E-D.R.Congo [Zaire]; SE-D.R.Congo [Zaire]; Rwanda; Burundi; Chad; Sudan; South Sudan; Ethiopia; Eritrea; Somalia; Soqotra; Uganda; Kenya; Tanzania; Angola; Zambia; Zimbabwe; Namibia; Botswana; Mauritius [I]; Saudi Arabia (Asir); Yemen (W-Yemen); S-India (Karnataka, Kerala)
20 EGY 22 NGR 23 BUR RWA ZAI 24 CHA ERI ETH SOC SOM SSU SUD 25 KEN TAN UGA 26 ANG ZAM ZIM 27 BOT NAM 29 mau 35 SAU YEM 40 IND
Synonyms: hidden
= Ceratogonon cordofanum Meisn.; Prodr. [A.P. de Candolle] 14: 39 (1857)
= Ceratogonon sinuatum Hochst. & Steud. ex A.Rich.; Tent. Fl. Abyss. 2: 231 (1850)
= Oxygonum atriplicifolium var. sinuatum (Hochst. & Steud. ex Meisn.) Baker; Fl. Trop. Afr. [Oliver et al.] 6(1): 101 (1909)
= Oxygonum cordofanum (Meisn.) Dammer; Nat. Pflanzenfam. [Engler & Prantl] III, 1a: 30 (1892)
= Oxygonum elongatum Dammer ex Engl.; Abh. Königl. Akad. Wiss. Berlin 1894: 41 (1894), et Pflanzenw. Ost-Afrikas C 170 (1895)
species :
Oxygonum stuhlmannii
Dammer; Pflanzenw. Ost-Afrikas C 171 (1895)
Distribution: E-D.R.Congo [Zaire]; Kenya; Tanzania; Angola
23 ZAI 25 KEN TAN 26 ANG
Synonyms: hidden
= Oxygonum baumii Dammer; Kunene-Sambesi-Exped. [Warburg] 231 (1903), nomen
= Oxygonum fasciculatum C.H.Wright; Fl. Trop. Afr. [Oliver et al.] 6(1.1): 102 (1909)
= Oxygonum humbertii Robyns; Bull. Jard. Bot. État Bruxelles 17: 160 (1944)
= Oxygonum maculatum R.A.Graham; Kew Bull. [12]: 163 (1957)
species :
Oxygonum subfastigiatum
R.A.Graham; Kew Bull. [12]: 156 (1957)
Distribution: SE-Tanzania
25 TAN
Remarks: only known from type collected in 1906
species :
Oxygonum tenerum
Milne-Redh.; Hooker´s Icon. Pl. 33(1): 3216 (1933)
Distribution: SE-D.R.Congo [Zaire]; W-Zambia
23 ZAI 26 ZAM
species :
Oxygonum thulinianum
S.Ortiz; Bot. J. Linn. Soc. 142(3): 341 (2003)
Distribution: Somalia
24 SOM
species :
Oxygonum tristachyum
(Baker) H.Perrier; Biogeogr. Madag. 59 (1936)
Distribution: Madagascar
29 MDG
Synonyms: hidden
= Fagopyrum tristachyum (Baker) H.Gross; Bull. Géogr. Bot. 23: 26 (1913)
= Polygonum tristachyum Baker; J. Bot. 20: 244 (1882)
species :
Oxygonum vanderystii
Robyns; Bull. Jard. Bot. État Bruxelles 17: 161 (1944)
Distribution: S-D.R.Congo [Zaire]; N-Zambia
23 ZAI 26 ZAM
