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Astrophytum myriostigma
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Genus: Astrophytum

A. asterias
A. capricorne
A. myriostigma
A. ornatum

Astrophytum (Gk. astron - star, phyton - plant) is a genus of four species of cacti. These species are sometimes referred to as living rocks, though the term is also used for other genera, particularly Lithops (Aizoaceae).

  • Astrophytum asterias, also known as a Sand Dollar Cactus, a Sea Urchin Cactus, and as Star Peyote.

In addition to the above four species, there are two others which are sometimes considered species in the genus.

Astrophytum coahuilense - might be descended from a hybrid of Myriostigma and Capricorne.
Astrophytum caput-medusae - might be a new species, not yet fully investigated.

astrophytum mix seedlings


The genus has several synonyms:

  • Maierocactus E.C.Rost

There are a number of species synonyms sometimes seen:

Name Synonym of
Astrophytum columnare Astrophytum myriostigma
Astrophytum crassispinoides Astrophytum capricorne var. crassispinoides
Astrophytum glabrescens Astrophytum ornatum
Astrophytum niveum Astrophytum capricorne var. niveum
Astrophytum nuda Astrophytum myriostigma var. nudum
Astrophytum prismaticum Astrophytum myriostigma
Astrophytum senile Astrophytum capricorne
Astrophytum tulense Astrophytum myriostigma




Up to date as of January 23, 2010

From Wikispecies


Classification System: APG II (down to family level)

Main Page
Cladus: Eukaryota
Regnum: Plantae
Cladus: Angiospermae
Cladus: Eudicots
Cladus: core eudicots
Cladus: Unassigned core eudicots
Ordo: Caryophyllales
Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cacteae
Genus: Astrophytum
Species: A. asterias - A. capricorne - A. myriostigma - A. ornatum


Astrophytum Lem.

Vernacular names

日本語: アストロフィツム属
Svenska: Prickkaktussläktet


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