Astrophytum Lemaire (1839)

(Greek "astron" = star, "phyton" = plant)
Starfish plant, because of the shape of the plant body
flat, spherical or columnar, with tiny, differently arranged,
white flakes for receiving and keeping of humidity

ribs 4–9, strong spines in A. ornatum, bristles at the capricorne-group,
otherwise spineless, yellow or yellow flowers with red throat; hat-shaped seeds, light or dark brown

Highslide JS


USA - Texas
Mexico - Tamaulipas, Nuevo León, Coahuila, Hidalgo, Querétaro
very warm regions

Growth period

very warm location, white and thick with thorns species appearing very bright and full sun
the little green light appears, half shade
little watering, since this species is very sensitive to moisture, the substrate should
can dry out in between and over again

Winter period

bright and dry at 6–10°C (43 to 50°F)


mineral with higher content of clay, crushed pumice, crushed lava and perlite
Astrophytum coahuilense (H. Moeller) K. Kayser (1932)
Highslide JS
  Highslide JS   Highslide JS


Coahuila - near of Parras and Viesco, east of Torreon
Durango - near of Villa Lerdo


named after the locality
looks like Astrophytum myriostigma, but much more densely flocked
ribs mostly 5, rarely more
flowers large, sulfur yellow, orange to scarlet center
fruit purple, bottom opening


Echinocactus myriostigma ssp. coahuilensis H. Moeller (1927)
Astrophytum myriostigma
var. coahuilense (H. Moeller) Y. Ito (1952)
Astrophytum myriostigma
Lemaire (1839)


Appendix II
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.