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. columnare (K. Schumann) M. Tsuda (1934)
 
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Habitat

Mexico
Tamaulipas - near of Tula and Miquihuana in 1600 m (5250 ft) altitude
Nuevo León - near of City Dr. Arroyo

Description

even as a seedling elongated
ribs 5, sharply angular, sometimes slightly wavy
flowers only 2,5 cm (1 in) large, pale yellow, almost white
fruits small, green, dry

Synonyms

Echinocactus myriostigma columnaris E. Schnelle (1907)
Astrophytum myriostigma columnaris
A. V. Frič (1925)
Astrophytum columnaris
A. F. Moeller (1930)
Astrophytum columnare
F. Winkelmann (1941)
Astrophytum myriostigma
ssp. columnare hort. P. Zbinden, H. Krainz (1957)
Astrophytum myriostigma
var. columnare
C. Backeberg (1960)
Astrophytum myriostigma
var. columnare octogonum Y. Ito (1981)
Astrophytum myriostigma
fa. columnare P. Schaetzle (1990)
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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