| Gymnocalycium ragonesei | |
|---|---|
| | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Gymnocalycium |
| Species: | G. ragonesei |
| Binomial name | |
| Gymnocalycium ragonesei A. Cast. 1950 | |
| Synonyms | |
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Gymnocalycium ragonesei is a species of Gymnocalycium from Argentina. [2]
Gymnocalycium ragonesei is a cactus that usually grows solitarily, with greenish-gray to dull brown, very flattened spherical stems that barely rise above the ground, reaching up to 5 cm in diameter. It has 7–10 very flat ribs with faint transverse grooves. Up to six thin, almost hair-like white spines, darker at the tips, grow up to 3 mm long. The white flowers have a faint reddish throat, measuring 3–4 cm in both length and diameter. The greenish-brown, egg- to spindle-shaped fruits grow up to 2.5 cm long. [3]
Native to Catamarca Province and Córdoba Province, Argentina, Argentina, it is found from altitudes 100 meters up to 500 meters. It is commonly found growing semi-buried at the edge of saline grasslands growing along with Gymnocalycium schickendantzii , Gymnocalycium bodenbenderianum , and Setiechinopsis mirabilis . [4]
Described in 1950 by Alberto Castellanos, its species name honors Argentine botanist Arturo Enrique Ragonese.