Black Crown — Gymnocalycium mihanovichii Clone Profile

Black Crown is a dark-bodied Gymnocalycium mihanovichii clone with pale variegation threading between the ribs and tracing their edges like low, smoldering highlights.

Black Crown Gymnocalycium mihanovichii clone profile
The Pioneer Nursery Pioneer Clone Archive

Black Crown is a dark-bodied Gymnocalycium mihanovichii clone with pale variegation threading between the ribs and tracing their edges like low, smoldering highlights.

Black Crown earns its name with a moody, shadow-toned body that reads almost charred from above, broken by a lighter base showing between the ribs. The contrast gives the plant a layered, crown-like look: dusky upper surfaces, pale underlighting, and variegation that appears both in the valleys and along the rib margins, creating a sharp, graphic outline across the body.

On its own roots, this clone carries a compact, grounded presence, with a low profile and a distinctly armored feel. The surface pattern is where Black Crown becomes especially memorable for collectors—less about broad flashes and more about controlled contrast, where muted peach-to-cream variegation cuts through the dark body in irregular bands and edge highlights. Sourced from Boonsamai through Wikki in Thailand, it presents as a visually restrained but highly characterful selection built on tone, structure, and contrast rather than loud color alone.

Clone Characteristics

  • Body color: Dark with light base between ribs
  • Variegation: between ribs and on edge of ribs
  • Variegation pattern: Irregular pale patches and bands concentrated in the rib valleys and along rib margins.
  • Ribs: Distinct ribs with lighter tissue visible between them; rib edges visually emphasized by variegation.
  • Spines: Sparse, slender spines in a pale tan to straw tone, projecting outward from small, light areoles.
  • Growth form: Low, compact, globose to slightly flattened body on own roots.
  • Distinctive traits: Dark crown-like body contrast with a lighter base and edge-tracing variegation that outlines the ribs.
  • Root status: own_root

Origin & Provenance

  • Source nursery: Boonsamai
  • Source person: Wikki
  • Source country: Thailand
  • Acquired date: 2026-05-02

Clone Gallery

Video documentation is available for this clone and will be attached by the clone publishing system when WordPress video-media support is enabled.

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