All the information and photos in cactus art file are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.

Astrophytum asterias cv. HAKUUN
Very rare and beautiful cultivar with characteristic cloud-like white patches on the plant's body.
The density of white patches is indeed very variable.

This is one of the most famous and appreciated Japanese cultivars, the name means "cloudy sky" and refers to the characteristic maculated epidermis.
 

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Astrophytum asterias cv. HAKUUN

Conservation status: Listed in CITES appendix 2.

Origin: Japan,   Garden origin (Nursery produced cultivar)
 

Description: This cultivar varies from the typical A. asterias only for the white flecks that condense, forming characteristic cloud-like patches.
Stem: Dimension 3-7cm tall, 5-10 cm in diameter.
Ribs: Usually 8.
Flowers: Like those of A. asterias, yellow with a red throat.
Blooming season: Spring to summer.

Cultivation: Although regarded as a choice and difficult plant in cultivation, it is relatively easy to grow. 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). Water sparingly from March until October, and keep perfectly dry in winter, at temperatures from 5 to 15 degrees centigrade. (but it is Hardy to -7°C for short periods).  In the rest period no high atmospheric humidity!! Sun Exposure: Light shade to full sun.
 

Photo of conspecific taxa, varieties, forms and cultivars of Astrophytum asterias:

• A. asterias
• A. asterias "5 ribs"
• A. asterias "albino".  
• A. asterias "nudum" 
• A. asterias "prolifera"
• A. asterias "star shape" 
• A. asterias "variegata"
• A. asterias cv. AKABANA (Red flowers)
• A. asterias cv. FUKURYU
• A. asterias cv. HAKUUN
• A. asterias cv. HAKUUN forma prolifera
• A. asterias cv. HANAZONO 
• A. asterias cv. KIKKO "nudum"
• A. asterias cv. KIKKO "nudum albinum"
• A. asterias cv. LINE AREOLES
• A. asterias cv. OOIBO KABUTO
• A. asterias cv. OOIBO RURI (nudum) KABUTO.
• A. asterias cv. SUPERKABUTO 
• A. asterias cv. SUPERKABUTO "5 ribs"
• A. asterias cv. SUPERKABUTO "cristata"
• A. asterias cv. SUPERKABUTO "Snow type" 
• A. asterias cv. SUPERKABUTO "Star type" 
• A. asterias cv. SUPERKABUTO "zebra type" (V-Type or Tiger)

All the information and photos in cactus art file are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.