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This beautiful plant of unknow origin - as the name indicate - bears very unusual short twisted spines.
Origin and Habitat: Garden origin (Nursery produced cultivar)
Synonyms:
Astrophytum hybrid AS-CAP (A. asterias x A. capricorne)
Accepted name in llifle Database:
Astrophytum hybrid AS-CAP nudum ( A. asterias f. nudum x A. capricorne f. nudum)
Accepted name in llifle Database:
Astrophytum hybrid AS-CO (A. asterias x A. coahuilense)
Accepted name in llifle Database:
Astrophytum hybrid AS-ONZ (A. asterias x A. myriostigma cv. Onzuka)
Accepted name in llifle Database:
Astrophytum hybrid AS-SEN(AU) (A. asterias x A. senilis aureum)
Accepted name in llifle Database:
Astrophytum hybrid CAP-AS (A.capricorne x A.asterias)
Accepted name in llifle Database:
Astrophytum hybrid CAP-AS nudum (A. capricorne f. nudum x A. asterias f. nudum)
Accepted name in llifle Database:
Astrophytum hybrid CAP-MY (A. capricorne x A. myriostigma)
Accepted name in llifle Database:
Astrophytum hybrid CAP-OR nudum (A. capricorne v. glabrescens x A. ornatum f. nudum)
Accepted name in llifle Database:
Astrophytum hybrid CAP-SK (A. capricorne x A. asterias cv. Superkabuto)
Accepted name in llifle Database:
Astrophytum hybrid CO-AS (A. coahuilense x A. asterias)
Accepted name in llifle Database:
Astrophytum hybrid KIKKO-CA V type (A. myriostigma cv. Kikko x A. capricornis)
Accepted name in llifle Database:
Astrophytum hybrid MY-OR (A. myriostigma x A. ornatum)
Accepted name in llifle Database:
Astrophytum hybrid ONZ-AS (A. myriostigma cv. Onzuka x A. asterias)
Accepted name in llifle Database:
Astrophytum hybrid ONZ-OR (A. myriostigma cv. Onzuka x A. ornatum)
Accepted name in llifle Database:
Astrophytum hybrid ONZ-SK V type (A. myriostigma cv. Onzuka x A. asterias cv. Superkabuto)
Accepted name in llifle Database:
Astrophytum hybrid ONZ-SK variegated & albinos (A. myriostigma cv. Onzuka x A. asterias cv. Superkabuto)
Accepted name in llifle Database:
Astrophytum hybrid OR-MY (A. ornatum x A. myriostigma)
Accepted name in llifle Database:
Astrophytum hybrid OR-ONZ (A. ornatum x A. myriostigma cv. onzuka)
Accepted name in llifle Database:
Astrophytum hybrid SEN(AU)-AS (A. senilis aureum x A.asterias)
Accepted name in llifle Database:
Astrophytum hybrid SEN-AS rosa (A.senilis x A.asterias nudum)
Accepted name in llifle Database:
Astrophytum hybrid SEN-SK (A. senilis x A. asterias cv. Superkabuto)
Accepted name in llifle Database:
Astrophytum hybrid SK Multi-hybrid (A. asterias cv. Superkabuto multiple interbreedings)
Accepted name in llifle Database:
Astrophytum hybrid SK Multi-hybrid variegated & albinos (A. asterias cv. Superkabuto multiple interbreedings)
Accepted name in llifle Database:
Astrophytum hybrid SK-CAP (A. astereias cv. Superkabuto x A. capricorne)
Accepted name in llifle Database:
Astrophytum hybrid SK-CO (A. asterias cv. Superkabuto x A. coahuilense)
Accepted name in llifle Database:
Astrophytum hybrid SK-ONZ (A. asterias cv. Superkabuto x A. myriostigma cv. Onzuka)
Cultivars (2):
- Astrophytum hybrid cv. Curlispine
- Astrophytum hybrid ONZ-OR (A. myriostigma cv. Onzuka x A. ornatum) cv. White Zebra
Description: The only thing known about this particular cultivar is that one of the parents may be Astrophytum myriostigmaSN|3564]]SN|1845]] or Astrophytum coahuilenseSN|1850]]SN|1850]] as the five ribbed stem structure clearly shows, while the best candidate for the other parent is Astrophytum capricorneSN|1845]]SN|3564]] . But the particular spination is so particular that there are many contrasting opinions about the true genealogy of this plant.
Stem: Unbranched, globular to cylindrical, bright green, covered with many white hairy scales spaced and similar in size to those of A. capricorne that give it a silvery-grey appearance. The scales are composed of very fine interwoven hairs, which, under a microscope, are very pretty object. A transverse section reveal a perfect star shaped form (like the common star-fish) giving the plant the appearance of a bishop's mitre.
Ribs: Usually 5, that increase with age, vertical, regular, deep, prominent, very broad and acute.
Roots: Fine, fibrous.
Areoles: Spaced.
Spines: Twisted, recurved, sometime forming apical ringlets or small irregularly shaped hooks, yellow to brownish.
Flowers: Funnelform, yellow with a red center.
Blooming season: Flowers appear intermittently throughout the warm months from April to September. Plants may take up to six years to flower.
Subspecies, varieties, forms and cultivars of plants belonging to the Astrophytum hybrid group
Astrophytum hybrid AS-CAP (A. asterias x A. capricorne)
Astrophytum hybrid AS-CAP nudum ( A. asterias f. nudum x A. capricorne f. nudum)
Astrophytum hybrid AS-CO (A. asterias x A. coahuilense)
Astrophytum hybrid AS-ONZ (A. asterias x A. myriostigma cv. Onzuka)
Astrophytum hybrid AS-SEN(AU) (A. asterias x A. senilis aureum)
Astrophytum hybrid CAP-AS (A.capricorne x A.asterias)
Astrophytum hybrid CAP-AS nudum (A. capricorne f. nudum x A. asterias f. nudum)
Astrophytum hybrid CAP-MY (A. capricorne x A. myriostigma)
Astrophytum hybrid CAP-OR nudum (A. capricorne v. glabrescens x A. ornatum f. nudum)
Astrophytum hybrid CAP-SK (A. capricorne x A. asterias cv. Superkabuto)
Astrophytum hybrid CO-AS (A. coahuilense x A. asterias)
Astrophytum hybrid KIKKO-CA V type (A. myriostigma cv. Kikko x A. capricornis)
Astrophytum hybrid MY-OR (A. myriostigma x A. ornatum)
Astrophytum hybrid ONZ-AS (A. myriostigma cv. Onzuka x A. asterias)
Astrophytum hybrid ONZ-OR (A. myriostigma cv. Onzuka x A. ornatum)
Astrophytum hybrid ONZ-OR (A. myriostigma cv. Onzuka x A. ornatum) cv. White Zebra: (a.k.a. 'White Tiger' type) is a selected, very white form with V-shaped, white wolly flecks, forming a stripped zebra like pattern.
Astrophytum hybrid ONZ-SK V type (A. myriostigma cv. Onzuka x A. asterias cv. Superkabuto): it has inherited by "Onzuka" the 5 fairly sharp ribs and by the "Superkabuto" the large white dots, and often shows fly or V shaped patterns around the areoles.
Astrophytum hybrid ONZ-SK variegated & albinos (A. myriostigma cv. Onzuka x A. asterias cv. Superkabuto)
Astrophytum hybrid OR-MY (A. ornatum x A. myriostigma)
Astrophytum hybrid OR-ONZ (A. ornatum x A. myriostigma cv. onzuka)
Astrophytum hybrid SEN(AU)-AS (A. senilis aureum x A.asterias)
Astrophytum hybrid SEN-AS rosa (A.senilis x A.asterias nudum)
Astrophytum hybrid SEN-SK (A. senilis x A. asterias cv. Superkabuto)
Astrophytum hybrid SK Multi-hybrid (A. asterias cv. Superkabuto multiple interbreedings)
Astrophytum hybrid SK Multi-hybrid variegated & albinos (A. asterias cv. Superkabuto multiple interbreedings)
Astrophytum hybrid SK-CAP (A. astereias cv. Superkabuto x A. capricorne)
Astrophytum hybrid SK-CO (A. asterias cv. Superkabuto x A. coahuilense)
Astrophytum hybrid SK-ONZ (A. asterias cv. Superkabuto x A. myriostigma cv. Onzuka)
Astrophytum hybrid cv. Curlispine
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Astrophytum hybrid cv. Curlispine Photo by: Valentino Vallicelli
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Astrophytum hybrid cv. Curlispine Photo by: Cactus Art
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Astrophytum hybrid cv. Curlispine Photo by: Cactus Art
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Astrophytum hybrid cv. Curlispine Photo by: Cactus Art
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Astrophytum hybrid cv. Curlispine Photo by: Valentino Vallicelli
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Astrophytum hybrid cv. Curlispine Photo by: Valentino Vallicelli
Cultivation and Propagation: Relatively easy to cultivate it is sometime seen as a grafted plant but grows very well on its own roots too. Use mineral well permeable substratum with little organic matter (peat, humus). The Astrophytum grows much faster with a low nitrogen content fertilizer in spring and summer. Water sparingly from March till October, the thin, fibrous roots suffer if there is humidity, therefore the plant should be watered only when the surrounding terrain is dry. Keep dry as soon as the temperature starts dropping in October and keep it perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (but it is Hardy to -7°C for short periods) Although it is one of the easier Astrophytum to grow, they tend to rot at that time of the year, if kept wet. In the rest period no high atmospheric humidity!! Sun Exposure: Light shade to full sun, its colour tends to richer and darker when grown in light shade.
Propagation: Almost exclusively by seed. Plants are sometimes grafted onto column-shaped cacti. Cutting scions from a flourishing plant is almost a crime because the scions do not root easily.
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