Neowerdermannia

very rare, brownish body with a huge taproot, brown to black thin spines, flower yellowish with brown-red tube C (10 st/seeds/samen) Cold resistant ca -5 C/Winterhart ca -5C

long taproot, few spines, longer and stronger central spine, white flower (10 st/seeds/samen)

greyish green body, ribs divided in tubercles, few spines, hooked central spines, small white flowers with a naked green tube, huge taproot! C (10 st/seeds/samen) Cold resistant ca -5 C/Winterhart…