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Gymnocalycium hossei
(F. A. Haage) A. Berger 1929
Photograph Gymnocalycium hossei in habitat

2013, Argentina, La Rioja

 

Surveys

2006, Argentina, La Rioja, Chilecito, A&M 65 Show on map

Preview photo Gymnocalycium hossei
01-FP 376

 

2013, Argentina, La Rioja, north east of Anillaco, A&M 893 Show on map

Preview photo Gymnocalycium hossei
02-1210348
Preview photo Gymnocalycium hossei
03-1210344
Preview photo Gymnocalycium hossei
04-1210342
Preview photo Gymnocalycium hossei
05-1210359
Preview photo Gymnocalycium hossei
06-1210357
Preview photo Gymnocalycium hossei
07-1210354
Preview photo Gymnocalycium hossei
08-1210368
Preview photo Gymnocalycium hossei
09-1210364
Preview photo Gymnocalycium hossei
10-1210370
Preview photo Gymnocalycium hossei
11-1210376
Preview photo Gymnocalycium hossei
12-1210378
Preview photo Gymnocalycium hossei
13-1210385
Preview photo Gymnocalycium hossei
14-1210382
Preview photo Gymnocalycium hossei
15-1210392
Preview photo Gymnocalycium hossei
16-1210394
Preview photo Gymnocalycium hossei
17-1210398
Preview photo Gymnocalycium hossei
18-1210407
Preview photo Gymnocalycium hossei
19-1210406
Preview photo Gymnocalycium hossei
20-1210408
Preview photo Gymnocalycium hossei
21-1210420
Preview photo Gymnocalycium hossei
22-1210413
Preview photo Gymnocalycium hossei
23-1210412

 

2013, Argentina, La Rioja, west of Señor de la Peña, A&M 896 Show on map

Preview photo Gymnocalycium hossei
24-1210438
Preview photo Gymnocalycium hossei
25-1210441
Preview photo Gymnocalycium hossei
26-1210481
Preview photo Gymnocalycium hossei
27-1210442
Preview photo Gymnocalycium hossei
28-1210451
Preview photo Gymnocalycium hossei
29-1210447
Preview photo Gymnocalycium hossei
30-1210450
Preview photo Gymnocalycium hossei
31-1210456
Preview photo Gymnocalycium hossei
32-1210457
Preview photo Gymnocalycium hossei
33-1210464
Preview photo Gymnocalycium hossei
34-1210466
Preview photo Gymnocalycium hossei
35-1210469
Preview photo Gymnocalycium hossei
36-1210471

 

2013, Argentina, La Rioja, between El Señor de la Peña and Ruta 7, A&M 899 Show on map

Preview photo Gymnocalycium hossei
37-1210512
Preview photo Gymnocalycium hossei
38-1210513
Preview photo Gymnocalycium hossei
39-1210517
Preview photo Gymnocalycium hossei
40-1210508
Preview photo Gymnocalycium hossei
41-1210520
Preview photo Gymnocalycium hossei
42-1210522
Preview photo Gymnocalycium hossei
43-1210525
Preview photo Gymnocalycium hossei
44-1210526
Preview photo Gymnocalycium hossei
45-1210530
Preview photo Gymnocalycium hossei
46-1210531

 

2013, Argentina, La Rioja, Chilecito, A&M 919 Show on map

Preview photo Gymnocalycium hossei
47-1220632
Preview photo Gymnocalycium hossei
48-1220633
Preview photo Gymnocalycium hossei
49-1220637
Preview photo Gymnocalycium hossei
50-1220673
Preview photo Gymnocalycium hossei
51-1220656
Preview photo Gymnocalycium hossei
52-1220649
Preview photo Gymnocalycium hossei
53-1220658
Preview photo Gymnocalycium hossei
54-1220665
Preview photo Gymnocalycium hossei
55-1220675
Preview photo Gymnocalycium hossei
56-1220677
Preview photo Gymnocalycium hossei
57-1220683
Preview photo Gymnocalycium hossei
58-1220696
Preview photo Gymnocalycium hossei
59-1220694
Preview photo Gymnocalycium hossei
60-1220697
Preview photo Gymnocalycium hossei
61-1220701
Preview photo Gymnocalycium hossei
62-1220706
Preview photo Gymnocalycium hossei
63-1220709
Preview photo Gymnocalycium hossei
64-1220710
Preview photo Gymnocalycium hossei
65-1220712
Preview photo Gymnocalycium hossei
66-1220726
Preview photo Gymnocalycium hossei
67-1220734
Preview photo Gymnocalycium hossei
68-1220733
Preview photo Gymnocalycium hossei
69-1220736
Preview photo Gymnocalycium hossei
70-1220739
Preview photo Gymnocalycium hossei
71-1220740
Preview photo Gymnocalycium hossei
72-1220749
Preview photo Gymnocalycium hossei
73-1220753
Preview photo Gymnocalycium hossei
74-1220754
Preview photo Gymnocalycium hossei
75-1220755
Preview photo Gymnocalycium hossei
76-1220758
Preview photo Gymnocalycium hossei
77-1220760
Preview photo Gymnocalycium hossei
78-1220762
Preview photo Gymnocalycium hossei
79-1220763
Preview photo Gymnocalycium hossei
80-1220764
Preview photo Gymnocalycium hossei
81-1220769
Preview photo Gymnocalycium hossei
82-1220765
Preview photo Gymnocalycium hossei
83-1220771

 

2013, Argentina, La Rioja, Carrizal, A&M 922 Show on map

Preview photo Gymnocalycium hossei
84-1220829
Preview photo Gymnocalycium hossei
85-1220830
Preview photo Gymnocalycium hossei
86-1220786
Preview photo Gymnocalycium hossei
87-1220787
Preview photo Gymnocalycium hossei
88-1220826
Preview photo Gymnocalycium hossei
89-1220827

 

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Synonyms

Echinocactus hossei*, Gymnocalycium acorrugatum, Gymnocalycium coloradense, Gymnocalycium guanchinense, Gymnocalycium mazanense, Echinocactus mazanensis, Gymnocalycium nidulans, Gymnocalycium rhodantherum, Echinocactus rhodantherus, Gymnocalycium weissianum
* Basionym

Distribution

Argentina (Catamarca, La Rioja, San Juan)

Conservation status

(4)   Least Concern, LC

Comments

In the words that follow, Charles (2009,159) underlined the close relationship between Gymnocalycium rhodantherum (Boedeker) Backeberg and Gymnocalycium hossei (F. A. Haage) A. Berger: "If one wants to take a wider concept of a species then it would be sensible to include Gymnocalycium rhodantherum as a synonym of G. hossei which would extend its distribution further west to include the Sierra de Famatina". Indeed, in habitat there is no specimen of the first taxon that does not show a clear relationship with the morphological range of the second, the semaphoronts (Hennig 1966, 6-7, 32-33, 63, 65-67), of the two taxa are practically superimposable, and it is incredible that the passion for names still leads many enthusiasts to keep the two taxa separate. In support of the above, particularly compare the semaphoronts of the following list:

A&M  919, (G. rhodantherum), Argentina, La Rioja, Chilecito, east of Chilecito, 1130m, (photo 57), with A&M 896, G. hossei, Argentina, La Rioja, Señor de la Peña, west of Señor de la Peña, 865 m, (photos 28-30);

A&M  919, (G. rhodantherum), Argentina, La Rioja, Chilecito, east of Chilecito, 1130m, (photo 63), with A&M 893, G. hossei, Argentina, La Rioja, north-east of Anillaco, 1032 m, (photo 14);

A&M  919, (G. rhodantherum), Argentina, La Rioja, Chilecito, east of Chilecito, 1130m, (photos 74-75), with A&M 899, G. hossei, Argentina, La Rioja, between Señor de la Peña and Ruta 7, 900 m, (photo 40); 

A&M  919, (G. rhodantherum), Argentina, La Rioja, Chilecito, east of Chilecito, 1130m, (photo 82), with A&M 899, G. hossei, Argentina, La Rioja, between Señor de la Peña and Ruta 7, 900 m, (photo 43).

And more generally compare the populations of ours A&M 919 and A&M 922 (G. rhodantherum), with the A&M 893, A&M 896 and A&M 899, G. hossei.

On the basis of what has been highlighted it is correct to assimilate G. rhodantherum to the synonyms of G. hossei. (Quoted from Anceschi & Magli 2021, 68-69)

Genus

Gymnocalycium

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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