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)

Substrat

mineral with higher content of clay, crushed pumice, crushed lava and perlite
   
Astrophytum myriostigma var. potosinum (H. Moeller) hort. (s. a.) (nom. inval.)
 
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Habitat

Mexico
San Luis Potosí - north of the city of San Luis Potosí
in about 1500 m (4920 ft) altitude

Description

named after origin
wide spherical, low, depressed peak
ribs 5, sometimes sharply angular, straight
flakes less dense, visible blue-green body color
flowers about 3 cm (1.2 in) long and
Ø, pale yellow
fruits and seeds like the type

Synonyms

Echinocactus myriostigma ssp. potosinus H. Moeller (1927)
Astrophytum myriostigma ssp. potosinum (H. Moeller) K. Kayser (1932)
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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