Species
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Photographs: iNaturalist and GBIF media did not answer when this page was built. Not a statement that none exist.

Gymnocalycium ragonesei A.Cast.

Cactaceae

No habitat climate Photographs not checked Cactus or succulent
Add one to my plants Sow seed

Every figure on this page is derived from public data by a stated rule and says its source; nothing here is written by a person or a model, except the Wikipedia passage, which is quoted and marked as such. How it is made.

Summary

Gymnocalycium ragonesei is a species of Gymnocalycium from Argentina.

Text from Wikipedia, “Gymnocalycium ragonesei”, CC BY-SA 4.0, quoted as written. Kept separate from everything derived here.

About the genus · Gymnocalycium

Gymnocalycium, commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name Gymnocalycium refers to the flower buds bearing no hair or spines. In a 2023 classification of the tribe Cereeae, it was placed as the only genus in the subtribe Gymnocalyciinae, having formerly been placed in the subtribe Rebutiinae.

Text from Wikipedia, “Gymnocalycium”, CC BY-SA 4.0, quoted as written.

Family
Cactaceae
Described by
A.Cast.
Native to
Argentina Northeast, Argentina Northwest
Wild records
1 in range· 1 open

Also known as Gymnocalycium asterium var. minimum Pazout; Gymnocalycium obductum Piltz; Gymnocalycium stellatum var. minimum (Pazout) R.Strong; Gymnocalycium stellatum var. obductum (Piltz) H.Till & W.Till.

Cultivation

Grouped as a cactus or succulent by the genus Gymnocalycium, which is reliably one kind of plant (archetype table). The table holds no figure for this group, which spans too much for one minimum, and no habitat climate is derived yet; no cold floor is given, and no prose comes from the table.

Nothing derived: no habitat climate for this species, and the archetype table has no figure for its genus or family.

Climate across the habitat

No habitat climate can be derived: Only 1 distinct land cell of the climate grid holds an in-range record; three are needed for an envelope.

Natural habitat

Native range as published by WCVP.
Openly licensed records inside the range, framed on where they fall.
NativeArgentina Northeast, Argentina Northwest
Kew's description“succulent subshrub” · “subtropical”· quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedThe map marker rests on all 1 georeferenced record inside the native range, all openly licensed and shown on the map. Under a dozen records: treat the map as indicative. No climate envelope is derived for this species.

Papers naming this species

Works whose title or abstract names Gymnocalycium ragonesei, most cited first, from OpenAlex (CC0). A mention, not a cultivation source: nothing on this page is drawn from them.

Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2025) · Global Biodiversity Information Facility
Occurrence Download
GBIF.Org User (2023) · Global Biodiversity Information Facility
Occurrence Download
GBIF.Org User (2023) · Global Biodiversity Information Facility
Occurrence Download
GBIF.Org User (2022) · Global Biodiversity Information Facility
Gymnocalycium ragonesei: Trevisson, M., Demaio, P. & Perea, M.
IUCN (2010) · IUCN Red List of Threatened Species

Other Gymnocalycium 63 in the reference

Gymnocalycium affine Cactaceae Gymnocalycium alboareolatum Cactaceae
Gymnocalycium alenae Cactaceae Gymnocalycium amerhauseri Cactaceae Gymnocalycium andreae Cactaceae Gymnocalycium anisitsii Cactaceae Gymnocalycium baldianum Cactaceae
Gymnocalycium basiatrum Cactaceae
Gymnocalycium bayrianum Cactaceae
Gymnocalycium berchtii Cactaceae Gymnocalycium bodenbenderianum Cactaceae Gymnocalycium bruchii Cactaceae all 64 ›

History & registers

GBIFPOWOIPNIWFOWikidataWikipediaiNaturalist
Where this page came from built 2026-09-20 · dossier v2 · node
gbif.species answeredcarried from build of 2026-09-19 (offline re-derivation; the backbone was not asked)
gbif.synonyms answeredcarried from build of 2026-09-19 (offline re-derivation; the backbone was not asked)
gbif.vernacular answeredcarried from build of 2026-09-19 (offline re-derivation; the backbone was not asked)
wcvp.distribution answered
gbif.occurrences answeredGBIF occurrence download https://doi.org/10.15468/dl.3h4zam
climate nothing to report
wikidata answeredcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
wikipedia answeredcarried from build of 2026-09-19; this build: skipped
inat.taxon not asked
inat.photos.wild nothing to reportcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
inat.photos.cultivated nothing to reportcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
commons nothing to reportcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
gbif.media did not answerapi.gbif.org not asked: offline re-derivation
openalex answeredcarried from build of 2026-09-19; this build: skipped

Every upstream is recorded as having answered, reported nothing, or refused. Only “nothing to report” is ever shown as an absence. Records came from 1 datasets via GBIF.org; each carries its own licence.