A. myriostigma (strongylogonum) var. nudum "COSTA"
Doubtless one of the shower var. nudum or unmarked myriostigmas clones.

Description: It is a very chosen and selected cultivar from Japan. The plants are blue-grey, showing alternating bands down the body, wavy and corrugated surface.

Cultivation: It is relatively easy to grow. Use mineral well permeable substratum (rot prone). Water sparingly from March till October and keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (but it is Hardy to -5°C for short periods) In the rest period no high atmospheric humidity!! Sun Exposure: Light shade to full sun.

Propagation: They can be propagated from seed or (usually) by grafting.

• A. myriostigma
• A. myriostigma bicostatum
• A. myriostigma columnare
• A. myriostigma cv. FUKURYU
• A. myriostigma cv. HAKUUN
• A. myriostigma cv. HAKUUN nudum
• A. myriostigma cv. HAKUUN nudum forma cristata
• A. myriostigma cv. HUBOKI
• A. myriostigma cv. HUBUKI
• A. myriostigma cv. KIKKO
• A. myriostigma cv. LAIMAKE
• A. myriostigma cv. LOTUSLAND
• A. myriostigma maculatus forma cristata
• A. myriostigma multicostatum
• A. myriostigma nudum
• A. myriostigma nudum cv MAIDEN BLUSH
• A. myriostigma nudum variegata
• A. myriostigma cv. ONZUKA
• A. myriostigma cv. ONZUKA ball type
• A. myriostigma cv. ONZUKA columnare
• A. myriostigma cv. ONZUKA cristata
• A. myriostigma cv. ONZUKA + HAKUUN
• A. myriostigma cv. ONZUKA quadricostatum
• A. myriostigma cv. ONZUKA tricostatum
• A. myriostigma cv. ONZUKA tricostatum FUKURYU
• A. myriostigma cv. ONZUKA white form
• A. myriostigma quadricostatum
• A. myriostigma quadricostatum nudum
• A.myryostigma v. strongylogonum
• A. myriostigma v. strongylogonum cv. COSTA
• A. myriostigma tricostatum
• A. myriostigma tricostatum FUKURYU type1
• A. myriostigma tricostatum nudum
• A. myriostigma variegatum

Scientific name:  Astrophytum myriostigma var. strongylogonum f. nudum cv. COSTA

Conservation status: Listed in CITES appendix 2.