Astrophytum capricorne

May 7, 2011 0 Commentsadmin

The stem is globe-shaped, later short cylindrical, up to 25 cm high, pale green, thickly covered with white flakes which the plant sheds in part in age. The crown is covered with densely interlaced flat, brown spines. There are about 9 sharp-edged ribs up to 2 cm high. The areoles with thick white felt are spaced 1.5 to 3 cm apart. The spines, about 10, are brown to grey, regularly arranged, flat, with stripes on the upper and underside. They are from 3 to 7 cm long, 2 mm wide, and break off easily in age. The flowers grow from the crown. 7 cm across, they open in full sunlight and have a typical fragrance. They are glossy, yellow, with carmine throat. The anthers are cream coloured, the style is yellow with 7 to 10 lobed, somewhat richer yellow stigma. The seed is large, boat shaped and chestnut.
The specific name capricornis means goat-horned; the spines resemble curved horns. Astrophytum capricorne, like all Astrophytes, is very popular for its attractive appearance and large glowing yellow flowers, which grow almost throughout the whole summer. Collections contain several varieties and hybrids, all of which show a marked resemblance.

Known synonyms:
Known common (English) plant names:
Goat’s horn cactus
Natural habitat:
Northern Mexico
Maximum plant height or length:
– In centimeters:
25 centimeter(s)
– In inches:
10 inch(es)
Maximum plant width or diameter:
– In centimeters:
10 centimeter(s)
– In inches:
4 inch(es)
Minimum temperature:
– In degrees Celsius (°C):
5 °C
– In degrees Fahrenheit (°F):
39 °F
Estimated age when fullgrown:
Estimated age of first flowering:
Flowers appear in / from..
Spring until end of summer
Duration of a flower:
Flowers primary color:
Yellow
Ideal sun exposure:
Full sun or sunny
Cultivation description:
This Astrophytum requires adequate sunlight and heat, in winter a dry environment and light.


References:
The complete book of cacti & succulents, Terry Hewitt, ASIN B01FELY6WM
Cacti and Succulents, Paul Hamlyn, ISIN – B001MEF9V8

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