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Gymnocalycium Online Journal - ISSN 2191-3099

2021

Gymnocalycium victorii Neuhuber spec. nov.
Neuhuber, G. (2021): A new species from the north-east of the San Luis province, Argentina. - Kaktus Klub (3): p. 5.
Typus: Argentina, Provincia San Luis, near Merlo, 1111 m s.m., leg. G. Neuhuber GN11-1597/4835, 1. 12. 2011; Holotypus WU: GN11-1597/4835, flower in alcohol Nr. 3855; Paratypus WU: GN11-1597/4836, Flower in alcohol Nr. 4144.
Etymology: Named after the well-known Russian field researcher and Gymnocalycium expert Victor Gapon from Moscow.

Gymnocalycium marekiorum Milt var. roboreanum Schädlich var. nov.
Schädlich, V. (2021): A well-known taxon from Bolivia's lowlands reconsidered. - Schütziana 12(3): p. 19.
Typification: The plants grow in sandy soil near Roboré in the direction of Santiago, Santa Cruz Department, Chiquitos Province, in forests in clear places at an altitude of 288 meters above sea level. The date of the first find is September 26th, 2003.
Herbarium material: Plant cultivated from habitat seeds.
Holotype: Schädlich VoS 03-45 (Herbarium WU 4140).
Etymology: Named after the provincial town Roboré, the locality of the plants.

Gymnocalycium marekiorum Milt var. guaraniorum Schädlich var. nov.
Schädlich, V. (2021): A well-known taxon from Bolivia's lowlands reconsidered. - Schütziana 12(3): p. 25.
Typification: The plants grow on rocky ground southeast of El Chochis, Santa Cruz Department, Chiquitos Province in forests in clear places at an altitude of 345 meters above sea level. The date of the first find is February 4th, 2011.
Herbarium material: Plant cultivated from habitat seeds.
Holotype: Schädlich VoS 11-946/1543 (Herbarium WU 4038).
Etymology: The name is dedicated to the Indian ethnic group of the Guarani. Their settlement area extends over parts of Argentina, Brazil, Bolivia, Paraguay and Uruguay.

Gymnocalycium marekiorum Milt subsp. sanjoseanum Schädlich subsp. nov.
Schädlich, V. (2021): A well-known taxon from Bolivia's lowlands reconsidered. - Schütziana 12(3): p. 29.
Typification: The plants grow in sandy soil in the vicinity of San José de Chiquitos, Santa Cruz Department, Chiquitos Province, in forests in open places at an altitude of 310 meters above sea level. The date of the first find is September 24th, 2003.
Herbarium material: Plant cultivated from habitat seeds.
Holotype: Schädlich VoS 03-40 (Herbarium WU 4141).
Etymology: Named after the provincial town San José de Chiquitos.

Gymnocalycium anisitsii (K. Schum.) Britton & Rose subsp. tucavocense (H. Till & Amerhauser) Schädlich comb. et stat. nov.
Schädlich, V. (2021): Gymnocalycium anisitsii (K. Schum.) Britton & Rose - a Rearrangement. - Schütziana 12(2): p. 25.
Basionym: Gymnocalycium anisitsii subsp. holdii var. tucavocense Backeb. ex H. Till & Amerhauser: Die Gymnocalycien des Gran Chaco und der Savannen aus Argentinien, Bolivien und Paraguay 4: Zur Identität des Gymnocalycium damsii (K. Sch.) Br. & R. und seiner Formen aus der Subsectio C1 Periferialia. - Gymnocalycium 17(1): 559, Abb. 27, 30-32 (2004).
Synonyms: G. damsii var. tucavocense Backeb., nom. illeg., G. damsii subsp. evae Halda, Horácek & Milt, nom. illeg.

Gymnocalycium cardenasianum subsp. armatum (F. Ritter) V. Gapon et Vikulov comb. nov.
Gapon, V.; Vikulov, V. (2021): Gymnocalycium armatum F. Ritter. - Kaktus Klub (1): p. 37-52.
Basionym: Gymnocalycium armatum F. Ritter (1980): Kakteen Südamerika 2: 662, fig.
Type: FR 1131, El Paicho, Eustaquio Méndez Province, Tarija, Bolivia (U).

Gymnocalycium cardenasianum subsp. pseudoarmatum V. Gapon et Vikulov subsp. nov.
Gapon, V.; Vikulov, V. (2021): Gymnocalycium armatum F. Ritter. - Kaktus Klub (1): p. 37-52.
Type: Bolivia, Tarija, Eustaquio Méndez Province, Tomayapo, 2725 m s.m., leg. V. Gapon 17.11.2009, VG09-VG 935a/4426: WU (dry fragment of plant [holo.]); VG09-935a/4427: WU (dry seedling [iso.]).

Gymnocalycium megatae subsp. holdii (Amerhauser) Schädlich comb. nov.
Schädlich, V. (2021): Gymnocalycium megatae subsp. holdii (Amerhauser) Schädlich comb. nov. - Schütziana 12(1): p. 8-14.
Basionym: Gymnocalycium anisitsii subsp. holdii Amerhauser in Gymnocalycium 16 (3): 531 (2003).

Gymnocalycium quehlianum (F. A. Haage jr. ex Quehl) A. F. Haage jr. (correction citation)
Papsch, W. (2021): Leopold Quehl and his Gymnocalycium quehlianum. - Schütziana 12(1): p. 15-32.