Gymnocalycium fischeri

Halda & al. 2003

2014, Argentina, San Luis

Surveys

2013, Argentina, San Luis, Inti Huasi, A&M 933 Show on map

01-1230103

02-1230111

03-1230114

04-1230119

05-1230159

06-1230210

07-1230163

08-1230176

09-1230165

10-1230174

2014, Argentina, San Luis, San Luis, A&M 940 Show on map

11-1230632

12-1230629

13-1230624

14-1230634

15-1230637

16-1230640

17-1230642

18-1230650

19-1230665

20-1230674

21-1230675

22-1230677

23-1230690

24-1230684

25-1230687

26-1230704

27-1230708

28-1230717

29-1230720

30-1230710

31-1230735

32-1230734

33-1230748

34-1230750

35-1230758

2014, Argentina, San Luis, El Volcan, A&M 947 Show on map

36-1240205

37-1240185

38-1240210

39-1240101

40-1240098

41-1240087

42-1240088

43-1240119

44-1240105

45-1240124

46-1240128

47-1240141

48-1240181

49-1240152

50-1240157

2014, Argentina, San Luis, El Volcan, A&M 950 Show on map

51-1240259

52-1240255

53-1240260

54-1240263

55-1240267

56-1240270

57-1240275

58-1240278

59-1240282

60-1240281

61-1240296

62-1240293

63-1240292

Synonyms

Gymnocalycium miltii, Gymnocalycium poeschlii, Gymnocalycium fischeri ssp. suyuquense

Distribution

Argentina (San Luis)

Conservation status

(5) Least Concern, LC

Comments

Contrary to Hunt et al. (2006, text: 128) and Hunt, D. R. (2016, 64), who considered Gymnocalycium fischeri Halda & al. to be among the synonyms of Gymnocalycium capillaense (Schick) Hosseus, and in agreement with Charles (2009, 87-89) and Anderson & Eggli (2011, 316), the studies we conducted in habitat lead us to keep the two taxa separate. Despite the evidence of a morphological similarity between G. fischeri and G. capillaense, also recognized by Charles (2009, 89), there are several distinctions that do not allow us to assimilate the first taxon into the synonyms of the second:

a) a greater ease which G. capillaense forms groups.

b) in agreement with Eggli, although not twice as much, as the author reports (2011, 316), G. fischeri reaches larger dimensions than G. capillaense, i.e. <11.4-12.4 cm in diameter for the first taxon, see A&M 947, Argentina, San Luis, El Volcan, Campo La Sierra, 945 m (photos 41-42 and 38, respectively), vs. <8-10 cm in diameter for the second taxon, see A&M 357, Argentina, Córdoba, Capilla del Monte, road to Los Mogotes (photo 03) and A&M 361, Argentina, Córdoba, Capilla del Monte, Capilla de la Virgen del Valle (photos 21-23, respectively).

c) still in agreement with Eggli, which highlights the possibility of central spines (1 (-4) in old specimens for G. fischeri (ibidem), we confirm that while we have never detected central spines on specimens of G. capillaense, albeit rarely, adult specimens of G. fischeri with 1 central spine can be found, see A&M 940, Argentina, San Luis, San Luis, Daniel Donovan, 885 m (photos 27-29, 33-34).

Based on the reported evidence, we prefer to recognize G. fischeri in the rank of species. (Quoted from Anceschi & Magli 2021, 67-68)

Genus

Gymnocalycium

Other species

alboareolatum
andreae
anisitsii
baldianum
bayrianum
bodenbenderianum
borthii
bruchii
buenekeri
calochlorum
capillaense
cardenasianum
castellanosii
chiquitanum
denudatum
eurypleurum
ferrarii
fischeri
glaucum
horridispinum
horstii
hossei
kieslingii
marsoneri
megatae
mesopotamicum
mihanovichii
monvillei
mostii
nigriareolatum
oenanthemum
paediophilum
paraguayense
pflanzii
reductum
ritterianum
robustum
saglionis
schickendantzii
schroederianum
spegazzinii
stellatum
stenopleurum
uebelmannianum
uruguayense