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Gymnocalycium
Gymnocalycium, commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name Gymnocalycium (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines.
60 branches of this genus, most-observed first

moon cactus
speciesGymnocalycium mihanovichii

Gymnocalycium monvillei
speciesGymnocalycium monvillei

Gymnocalycium saglionis
speciesGymnocalycium saglionis

Gymnocalycium pflanzii
speciesGymnocalycium pflanzii

Gymnocalycium baldianum
speciesGymnocalycium baldianum

Gymnocalycium mostii
speciesGymnocalycium mostii

Gymnocalycium spegazzinii
speciesGymnocalycium spegazzinii

Gymnocalycium gibbosum
speciesGymnocalycium gibbosum

Gymnocalycium reductum
speciesGymnocalycium reductum

Gymnocalycium castellanosii
speciesGymnocalycium castellanosii

Gymnocalycium schickendantzii
speciesGymnocalycium schickendantzii

Gymnocalycium quehlianum
speciesGymnocalycium quehlianum

Gymnocalycium bodenbenderianum
speciesGymnocalycium bodenbenderianum

Gymnocalycium bruchii
speciesGymnocalycium bruchii

Gymnocalycium horstii
speciesGymnocalycium horstii

Gymnocalycium calochlorum
speciesGymnocalycium calochlorum

Gymnocalycium nigriareolatum
speciesGymnocalycium nigriareolatum

Gymnocalycium anisitsii
speciesGymnocalycium anisitsii

Gymnocalycium capillaense
speciesGymnocalycium capillaense

Gymnocalycium striglianum
speciesGymnocalycium striglianum

Gymnocalycium marsoneri
speciesGymnocalycium marsoneri

Gymnocalycium andreae
speciesGymnocalycium andreae

Gymnocalycium pugionacanthum
speciesGymnocalycium pugionacanthum

Gymnocalycium schroederianum
speciesGymnocalycium schroederianum

Gymnocalycium hossei
speciesGymnocalycium hossei

Gymnocalycium ochoterenae
speciesGymnocalycium ochoterenae

Spider cactus
speciesGymnocalycium denudatum

Gymnocalycium hyptiacanthum
speciesGymnocalycium hyptiacanthum

Gymnocalycium ragonesei
speciesGymnocalycium ragonesei

Gymnocalycium stenopleurum
speciesGymnocalycium stenopleurum

Gymnocalycium glaucum
speciesGymnocalycium glaucum

Gymnocalycium rhodantherum
speciesGymnocalycium rhodantherum

Gymnocalycium taningaense
speciesGymnocalycium taningaense

Gymnocalycium paediophilum
speciesGymnocalycium paediophilum

Gymnocalycium erinaceum
speciesGymnocalycium erinaceum

Gymnocalycium oenanthemum
speciesGymnocalycium oenanthemum

Gymnocalycium uruguayense
speciesGymnocalycium uruguayense

Gymnocalycium ritterianum
speciesGymnocalycium ritterianum

Gymnocalycium kieslingii
speciesGymnocalycium kieslingii

Gymnocalycium mendozaense
speciesGymnocalycium mendozaense

Gymnocalycium angelae
speciesGymnocalycium angelae

Gymnocalycium chiquitanum
speciesGymnocalycium chiquitanum

Gymnocalycium alboareolatum
speciesGymnocalycium alboareolatum

Gymnocalycium amerhauseri
speciesGymnocalycium amerhauseri
Gymnocalycium eurypleurum
speciesGymnocalycium eurypleurum

Gymnocalycium neuhuberi
speciesGymnocalycium neuhuberi
Gymnocalycium paraguayense
speciesGymnocalycium paraguayense

Gymnocalycium robustum
speciesGymnocalycium robustum
Gymnocalycium platense
speciesGymnocalycium platense

Gymnocalycium volskyi
speciesGymnocalycium volskyi

Gymnocalycium marekiorum
speciesGymnocalycium marekiorum

Gymnocalycium kroenleinii
speciesGymnocalycium kroenleinii
Gymnocalycium cabreraense
speciesGymnocalycium cabreraense
Gymnocalycium mesopotamicum
speciesGymnocalycium mesopotamicum

Gymnocalycium bayrianum
speciesGymnocalycium bayrianum
Gymnocalycium horridispinum
speciesGymnocalycium horridispinum

Gymnocalycium pinalii
speciesGymnocalycium pinalii

Gymnocalycium berchtii
speciesGymnocalycium berchtii
Gymnocalycium × momo
hybridGymnocalycium × momo
Gymnocalycium victorii
speciesGymnocalycium victorii
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Gymnocalycium in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 348212.