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

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Distribution

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)

Soil-mixture

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

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

Description

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

Synonyms

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

CITES

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

 

 

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