List of taxa in subgenus Notocactus section I -- Paucispini

The list of sources used to compile this list is available on the main page for this section.

The Paucispini has been subdivided into the Ottonis Group, Linkii Group and Acutus Group.

Species list of Series I -- Ottonis Group

arechavaletae (Spegazzini) Herter: Cact. Plat. Tentamen, 496-497, Buenos Aires 1905
Flore illustrée l'Uruguay - Cactacées, 177, 1955.
arechavaletae var. alacriportanus Ritter: Kakt. in Süd., 1:165-166, Spangenberg 1979.
arechavaletae var. aureus Ritter: Kakt. in Süd., 1:166-167, Spangenberg 1979.
arechavaletae var. buenekeri Ritter: Kakt. in Süd., 1:166, Spangenberg 1979.
arechavaletae var. convexicostatus n.n.
arechavaletae var. horstii Ritter: Kakt. in Süd., 1:166, Spangenberg 1979.
arechavaletae var. grandicostatus n.n.: Note: Only a name ?
arechavaletae var. limiticola Ritter: Kakt. in Süd., 1:164-165, Spangenberg 1979.
arechavaletae var. nanus Ritter: Kakt. in Süd., 1:165, Spangenberg 1979.
arechavaletae var. rubescens Ritter: Kakt. in Süd., 1:166, Spangenberg 1979.
arechavaletae var. segredoensis n.n.
And varieties from the following localities:: Rivera.
And forms from the following localities:: Bage, Baram Itu, Cruz Alta, Cuchilla Negra, Dom Pedrito, Estancia Platon, Fazenda Santa Victoria, Livramento, Melo, Minas, Pinheiro Machado, Routa 26 / Tacuarembo, Rivera, Tobai and Tranqueras.
blossfeldianus n.n.: Note: Synonym of ottonis var. blossfeldianus.
campestrensis Ritter: Kakt. in Süd., 1:177, Spangenberg 1979.
electracanthus n.n. [?]
eurypleurus n.n. [?]
glaucinus Ritter: Kakt. in Süd., 1:168, Spangenberg 1979.
glaucinus var. alegretensis n.n.
glaucinus var. depressus Ritter: Kakt. in Süd., 1:169, Spangenberg 1979.
glaucinus var. gracilis Ritter: Kakt. in Süd., 1:168-169, Spangenberg 1979.
Note: Wolfgang Gemmrich considers this to be a distinct species; see Internoto 17 (3):91-99, 1996.
glaucinus var. gracilispinus n.n.
glaucinus var. miniatispinus n.n.
And forms from the following localities:: Cerro de Tigre, Estancia Itu, "Near HU 11", Itaqui, Santiago, S. Santiago and Villa Kramer.
globularis: Note: Reduced to a variety of ottonis.
grandiensis n.n.: Note: Synonym of ottonis var. grandiensis.
harmonianus Ritter: Kakt. in Süd., 1:176-177, Spangenberg 1979.
haasisianus n.n. [?]
ibicuiensis Prestlé: Internoto 6 (4):99-103, 1985.
ibicuiensis var. subtilispinus n.n.
And forms from the following localities:: Estancia Nova.
incomptus Gerloff: Internoto 11 (2-3):37-41, 1990.
intermedius n.n. [?]
laetivirens Ritter: Kakt. in Süd., 1:167-168, Spangenberg 1979.
laetivirens var. tenuispinus n.n.
laetivirens fa. densispinus n.n.
medinaensis n.n. [?]
militaris n.n.: Note: Transitional taxon between Paucispini and Uebelmannianae ?
minusculus Hofacker et Herm [?]: Internoto 17 (3):75-79, 1996
minusculus ssp gravior Hofacker [?]: KuaS, 51(9):233-236, 2000.
Note: Described as Parodia nothominuscula ssp. gravior
muricatus (Otto) Berger ex Backeberg: Enumeratio Diag. Cact., 49, Berlin 1837
Kakteen, 210, Stuttgart 1929.
Note: There has been some confusion over the usage of this name, if your muricatus looks like a member of the Setacei then you probably have bommeljei.
muricatus var. albispinus n.n.: Note: Synonym of muricatus.
muricatus var. monticola n.n.
muricatus var. flavifuscus n.n.
muricatus fa. densispinus Bergner: Internoto 14 (1):3-12, 1993.
muricatus fa. monticola n.n.
muricatus fa. robustus n.n.
nothominuscula Hofacker [PO ?]: Note: The IOS consensus name for minusculus.
oligacanthus n.n.: Note: Provisional name for minusculus.
ottonis (Lehmann) Berger ex Backeberg: Index seminum hort. Hamburg, 16, 1827
Kakteen, 212, Stuttgart 1929
Note: Type species for the Subgenus Notocactus, Paucispini and Series 1.
ottonis var. brasiliensis n.n.: Note: Synonym of linkii var. brasiliensis.
ottonis var. blossfeldianus n.n. [?]
ottonis var. cacapavensis n.n. [?]
ottonis var. callianthus n.n. [?]
ottonis var. campestrensis n.n. [?]: Note: Synonym of campestrensis.
ottonis var. campoensis n.n. [?]: Note: Synonym of campoensis.
ottonis var. centangularis n.n. [?]
ottonis var. chrysanthus n.n. [?]
ottonis var. densispinus n.n. [?]
ottonis var. denudatus n.n.: Note: Synonym of var. schuldtii.
ottonis var. durispinus n.n. [?]
ottonis var. elegans Backeberg et Voll: Arqu. Jard. Bot. Rio de Janeiro, 9:172, 1949.
ottonis var. globularis (Ritter) Bergner: Kakt. in Süd., 1:167, Spangenberg 1979
Internoto 9 (3):67-73, 1988.
ottonis var. grandiensis n.n.: Prov. Desc.: S. Bergner, Internoto 10 (2):43-47, 1989.
ottonis var. grandiflorus Papousek Reference ???
ottonis var. haseltonianus n.n. [?]: Note: Only a name ?
ottonis var. janousekianus Papousek: Kaktusy 11 (6):123-126, 1975.
ottonis var. knippelianus n.n. [?]: Note: Only a name ?
ottonis var. knesplii n.n. [?]
ottonis var. longispinus n.n. [?]
ottonis var. machadoensis n.n. [?]
ottonis var. mesetaensis n.n. [?]
ottonis var. minasensis n.n. [?]
ottonis var. minimus n.n.[?]: Note: Only a name ?
ottonis var. minor [?]: Note: Only a name ?
ottonis var. minusculus n.n. [PO ?]: Note: Synonym of minusculus.
ottonis var. mistioensis n.n.: Note: Synonym of fa. Misti.
ottonis var. nigrispinus n.n. [?]: Note: Synonym of var. minasensis
Prov. Desc.: H. D. Lück, Internoto 8 (4)124-125, 1987.
ottonis var. pantanoensis n.n. [?]
ottonis var. paraguayensis (Heese) Berger ex Backeberg: Gartenwelt, 9:266, 1905
Kakteen, 213, Stuttgart 1929
Note: Original author sometimes mistakenly given as Haage jr.
And forms from the following localities:: Barrero Grande, Capilla Tuya, Carai-mi, Eusebio Ayala, Chololo, Isla Ybate, Itacurubi, Piribebuy, Ruta 2, Serrania de Ybycui (Ybucui ?), Valenzuela, Villa Florida and Yhaguy Guazu.
ottonis var. palitor n.n.[?]: Note: Only a name.
ottonis var. prolifer n.n. [?]
ottonis var. rubrispinus n.n. [?]
ottonis var. rufispinus n.n. [?]
ottonis var. schuldtii Kreuzinger: Succulenta 27 (4):47, 1948.
ottonis var. segredoensis n.n. [?]
ottonis var. spinosior n.n.[?]: Note: Only a name.
ottonis var. tenuispinus (Link et Otto) Berger ex Backeberg: Verh. Ver. Beförd. Gartenb., 3:421, Berlin 1827
Kakteen, 213, Stuttgart 1929.
ottonis var. uruguayus (Arechavaleta) Berger ex Backeberg: Flora Uruguaya, 5:213-215, Montevideo 1905
Kakteen, 214, Stuttgart 1929.
ottonis var. vargasensis n.n. [?]
ottonis var. vencluianus Schütz: Kaktusy 1 (6):123-126, 1965.
And varieties from the following localities:: Piedra de Afilar, Rivera and Treinta-y-Tres [?].
And forms from the following localities:: Abra da Zavaleta / Lavalleja, Acegua, Aigua, Alegreta N, Alegreta S, Arroyo Cunapiru, Arroyo Grande, Artigas, Bage, BR 116/km 225 Santa Catarina, Bura, Cacapava N, Cacapava S, Between Casias and Vacaria, Cerro Areicu, Cerro de Cunapiru, Cerro de los Cuentas, Cerro Grande, Cerro Largo, Cerro Mosquito, Collares, Cordoba, Cuchilla Negra, Cunapiru (Mountain), Curtina, Darilho, Del Torro, Dom Feliciano, Estribo, Estribo de Mineracao, Fronteira, Gruta de los Cuervos, Gruta de Segredo, Gruta del Palacio, Ibare, Incatus, Itaqui, Knespli, Laguna Garzon, Lavras, Lemi, Livramento, Loreto (Mountain), Los Quadros, Maldonado (Loreley), Maldonado, Manuel Vianna, Masoller, Melo, Minas, Minas de Corrales, Morro Embratel, Misti / Uruguay, Neocactel, Nova Palma, Paso del Cerro, Pedras Altas, Pelotas, Pena, Piratini, Piriapolis, Piraraja, Pororo, Porto Alegre, Punta Ballena, Punta de la Arena, Quarai, Rivera, Ruta 30/km 100, San Antonio (Piriapolis), Sao Francisco de Assis, Sao Gabriel, Sao Pedro, Santana do Livramento, Santa Rita, Termas del Daiman, Tacuarembo, Tacuarembo E, Tacuarembo N, Tacuarembo NW, Tacuarembo W, Tigre, Torres, Tranqueras, Treinta-y-Tres, Tupantuba, Uruguaiana and Vichadero [?].
paradoxus n.n. [?]
ruoffii Gerloff: Internoto 14 (4):115-119, 1989
Note: Transitional taxon between Paucispini and Fricianae.
spegazzinii n.n.: Note: Synonym of arechavaletae.

Species list of Series II -- Linkii group

campoensis n.n. [?]: Prov. Desc.: N. Gerloff, Internoto 6 (3):79-80,1985.
carambeiensis Buining et Brederoo: Kakt. u. a. Sukk. 24 (1):1-3, 1973.
carambeiensis var. villa-velhensis (Buining et Brederoo) Sida ex Dohnke: Kakt. u. a. Sukk. 24 (1):1-3, 1973
Internoto 15 (4):143-144, 1994.
linkii (Lehmann) Herter: Sem. hort. bot. Hamb. 16, 1827
Flore illustrée l'Uruguay - Cactacées, 120, 1955
Note: Type species for the Paucispini - Series 2.
linkii var. albiareolatus Schäfer Reference ???
linkii var. albispinus Abraham: Succulenta 69 (5):117-120, 1990.
linkii var. altosensis n.n.
linkii var. berlinensis n.n.
linkii var. brasiliensis n.n.
linkii var. buenekeri Ritter: Kakt. in Süd., 1:172, Spangenberg 1979.
linkii var. flavispinus: Note: Transferred to a variety of megapotamicus.
linkii var. flavispinus fa. websterianus n.n.: Prov. Desc.: D. Debaecke, Internoto 9 (2):58-60, 1988.
linkii var. guaibensis Ritter: Kakt. in Süd., 1:172, Spangenberg 1979.
linkii var. jaquiranensis n.n.
linkii var. multiflorus Fric ex Buining sine comb.: Note: Ritter reduced this to a Form (Kakt. in Süd., 1:172, Spangenberg 1979).
linkii var. paranaensis n.n.
linkii var. paucicostatus n.n.
linkii var. stenogonus n.n.
linkii var. tenebrosus n.n.: Prov. Desc.: G. Schäfer and K. Lisal, Internoto 4 (3):61-66, 1983.
linkii var. uruguayensis n.n.: Note: Synonym of megapotamicus fa. S 155.
linkii var. vermelhensis n.n.: Note: Provisional name for linkii var. flavispinus
linkii fa. Itapua: Note: Synonym of megapotamicus var. alacriportanus.
linkii fa. "Ossowski": Note: Synonym of acutus fa. "Ossowski".
And forms from the following localities:: Apostoles, Arroio san Juan, Bom Jardim da Serra, Bom Jesus, Cacapava do Sul, Cachoeira do Sul, Cambara, Cambara "Near HU 42", Casa da Pedro / Bage, Caxias, Cerro Areicu, Curitiba, Fortaleza, Garganta do Diabolo, Itambezinho, Kraporchas, Livramento, Painel Brasil, Quebra Dentas, Rio Grande do Sul, Ruta 5 / km 395, Saltinho, Santa Catarina, Santa Tecla / Bage, Santiago, Sao Gabriel "Near HU 25", Sao Gabriel "Near HU 45", Tahinia and Vacaria "Near HU 39".
megapotamicus (Osten) Herter: Notas sobre Cactáceas, 72-73, 1941
Rev. S. Am. Bot., 7:73-74, 1942.
megapotamicus var. alacriportanus Ritter: Kakt. in Süd., 1:175, Spangenberg 1979.
megapotamicus var. aurea n.n.: Note: Only a name ?
megapotamicus var. catarinensis n.n.: Note: Synonym of megapotamicus fa. Santa Maria.
megapotamicus var. crucicentrus Ritter: Kakt. in Süd., 1:176, Spangenberg 1979.
megapotamicus var. flavispinus (Buining et Brederoo) Abraham and Büneker: Kakt. u. a. Sukk. 29 (2):25-27, 1978
Kakt. u. a. Sukk. 43 (1):20-22, 1992.
megapotamicus var. horstii Ritter: Kakt. in Süd., 1:175-176, Spangenberg 1979.
megapotamicus var. horstii fa. supertextus n.n.
megapotamicus var. multicolorispinus Abraham et Bueneker: Kakt. u. a. Sukk. 43 (1):20-22, 1992.
megapotamicus var. placentiformis n.n.
megapotamicus var. placentiformis fa. supertextus n.n.: Note: Only a name.
megapotamicus var. tenuispinus n.n.
megapotamicus var. vulgatus Ritter: Kakt. in Süd., 1:175, Spangenberg 1979.
megapotamicus fa. multiflorus (Fric ex Buining) Stuchlík: Succulenta 36 (9):101-108, 1957
Rod Notocactus 85-86, 1993.
And forms from the following localities:: Alem de los Cerros, Bage, Cerro de Tigre, Dom Pedrito, Manuel Vianna, Quevedos, Sao Francisco de Assis, Santa Maria, "Near HU 813", Suspiro and Unistalda.
ottonis var. albispinus Backeberg: Note: Synonym of linkii var. albispinus.
ottonis var. brasiliensis (Haage Jr.) Berger: Monatsschrift für Kakteenkunde, 41, 1914
Kakteen, 214, Stuttgart 1929
Note: Synonym of linkii var. brasiliensis.
ottonis var. multiflorus: Note: Transferred to a form of megapotamicus by Stuchlík.
ottonis var. nugualensis n.n.: Note: Synonym of var. tortuosus.
ottonis var. pampeanus n.n.: Note: Synonym of var. tortuosus.
ottonis var. stenogonus Backeberg: Die Cactaceae, 6:3758, Jena 1962.
ottonis var. tenebrosus n.n.: Note: Synonym of linkii var. tenebrosus.
ottonis var. tortuosus (Link et Otto) Berger ex Backeberg: Icon. Selt. Gew., 29, 1830
Kakteen, 213, Stuttgart 1929.
ottonis var. villa-velhensis Backeberg et Voll: Note: Synonym of villa-velhensis.
ottonis var. websterianus n.n.: Note: Synonym of linkii var. flavispinus fa. websterianus.
riosusannaensis n.n.: Note: Intermediate between megapotamicus and linkii ?
Prov. Desc.: K. H. Prestlé, Internoto 6 (1):30-31, 1985.
supertextus n.n.: Note: A form of megapotamicus var. horstii.
villa-velhensis: Note: Reduced to a variety of carambeiensis.

Species list of Series III -- Acutus Group

acutangularis n.n.: Note: Synonym of ottonis var. acutangularis.
acutus: Note: Reduced to a form of oxycostatus.
acutus var. cadeiaensis n.n.: Prov. Desc.: K. H. Prestlé, Internoto 1 (1):2-3, 1981
Note: Synonym of cadeiaensis.
acutus var. lourencoensis n.n.: Prov. Desc.: K. H. Prestlé, Internoto 1 (1):2, 1981.
acutus fa. "Ossowski".
cadeiaensis n.n.
obtectus n.n.: Note: Synonym of securituberculatus ?
ottonis var. acutangularis Ritter: Kakt. in Süd., 1:163, Spangenberg 1979.
oxycostatus Buining et Brederoo: Die Kakteen, C VIc, Stuttgart 15. 10. 1972.
oxycostatus fa. acutus (Ritter) Gerloff: Kakt. in Süd., 1:169-170, Spangenberg 1979
Internoto 14 (3):83-95, 1993.
oxycostatus fa. securituberculatus (Ritter) Gerloff: Kakt. in Süd., 1:169, Spangenberg 1979
Internoto 14 (3):83-95, 1993.
oxycostatus fa. miniatispinus (Ritter) Gerloff: Kakt. in Süd., 1:169, Spangenberg 1979
Internoto 14 (3):83-95, 1993.
paucispinus n.n.: Note: Synonym of acutus.
pseudoacutus n.n. [?]
quevedoi n.n.[PA]: Note: Synonym of acutus.
securituberculatus: Note: Reduced to a form of oxycostatus.
securituberculatus var. miniatispinus Ritter: Note: Reduced to a form of oxycostatus.
securituberculatus var. ritteri n.n.

Transitional forms

With Fricianae: ruoffii and stockingeri.
With Uebelmannianae: militaris ?

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