Purple epidermis
The violacidermis form is distinguished by deep violet to aubergine colour.
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Sulcorebutia 'violacidermis' 10.5cm
Normal price
€10,00
What does the legal guarantee mean for plants?
The legal guarantee concerns the plant’s conformity at delivery. It is not a guarantee of survival or growth for two years. Each issue is assessed taking into account the nature of the plant, its care and the conditions in which it is kept. Your statutory rights remain unaffected.
Sulcorebutia 'violacidermis'
Do not underestimate it. It is small, but it has crossed serious elevations. 🏔️
- Cactaceae
- Purple epidermis
- Low body
- Highland rhythm
- Collector form
Sulcorebutia 'violacidermis' is a tiny cactus with a disproportionately strong visual impact. Its flattened body is organised into spiralling lines of tubercles and small areoles, while the epidermis moves from deep green to aubergine and purple tones that make it look almost carved from mineral stone.
Its low compact scale and tendency to form clusters provide genuine collector appeal without visual excess. This is a cactus that rewards close observation: each spiral, shadow and colour transition reveals further detail, while potential flowers create a dramatic contrast against the dark body. It is especially compelling in a curated collection where subtle form and botanical nuance matter more than sheer size.
What makes it stand out
Three defining details that turn its botanical identity into real presence for a collection and interior.
Compact highland form
A low body and spiralling tubercles create exceptionally dense geometry.
Collector detail
Its small scale reveals more the closer it is observed.
Why you’ll love it: it condenses an entire highland aesthetic into a small purple body with exceptional geometry.
In your spacePlacement & plant pairingsWhere it looks best and which plants complement it
Where it looks its best
Display it in a small neutral pot with a gravel top dressing and close viewing access. Pale ceramic makes the purple epidermis look even deeper.
Plants that complement it
Pair it with plants that genuinely share its light, substrate and seasonal rhythm. Separate pots keep care precise for each one.
- Puna bonnieae f. inermis — a miniature highland form with a clean surface.
- Astrophytum ‘Super Kabuto’ — white patterning that contrasts with the purple body.
- Pachyphytum compactum — geometric leaves that continue the collector scale.
Care at a glance
Light
Abundant light, gentle direct sun and shelter from scorching midday exposure.
Watering
Water after the porous mix dries completely; keep winter rest almost dry.
Highland rhythm
Cool nights, fresh air and avoidance of prolonged summer overheating.
Pets & children
Not regarded as poisonous, but the small spines require careful handling and distance.
For this plant
Substrate & nutrition
Detailed careComplete care guideLight, drying cycle, climate, substrate and feeding in detail
Light and position
Provide strong diffused light and gentle morning or late-day sun. In very hot climates, protect the small body from harsh midday exposure.
Correct watering
Water in active growth only after the mix dries completely. Abandon any fixed schedule when heat or cold slows the roots.
Airflow and humidity
Airflow is critical around the small dense body. Moisture trapped between tubercles increases the risk of scarring and rot.
Temperature and seasonal rhythm
A cool, bright and nearly dry winter period supports the natural cycle. Reduce water during prolonged summer heat.
Substrate
Choose a highly mineral, fine yet airy mix with immediate drainage and no compaction around the neck.
Feeding, repotting and handling
Use a very dilute low-nitrogen feed only during active growth. Repot carefully without burying the neck too deeply.
Botanical identityIdentity & natural originAccepted name, taxonomic history and natural or cultivated provenance
Current taxonomic position
The name Sulcorebutia rauschii remains widespread in cultivation but is treated as a synonym of the accepted Weingartia canigueralii (Cárdenas) G.D.Rowley in Cactaceae.
Natural origin
The accepted taxonomic lineage is endemic to Bolivia and occurs in dry Andean highland shrubland among stones and strong day-to-night temperature shifts.
Meaning of violacidermis
f. violacidermis is a horticultural descriptor for plants with strongly violet skin. It is not documented as a formally published botanical rank, so it is retained as a cultivated form name.
From natural habitat to care: Its low body, highland origin and wide temperature swings explain the preference for clean air, a highly mineral mix, cool nights and cautious watering in extreme seasons.
Greenleaf for Plant NerdsScientific facts nobody asked forBotanical detail for anyone who wants to know what lies behind the plant’s appearance
Compact geometry
The low body reduces exposure to wind and sharp temperature shifts.
Ground-level protection
In many highland cacti much of the body remains low among stones.
CAM metabolism
Night-time carbon uptake limits water loss in exposed sites.
Protective pigments
Purple tones are linked to anthocyanins that may intensify under strong radiation and seasonal stress.
Frequently asked questions
Useful answers about light, watering, seasonal rhythm and the plant’s correct identity.
01What light does it need?
Abundant light, gentle direct sun and shelter from scorching midday exposure.
02When does it need watering?
Water after the porous mix dries completely; keep winter rest almost dry.
03Which potting mix is suitable?
Choose a highly mineral, fine yet airy mix with immediate drainage and no compaction around the neck.
04How should I follow its seasonal rhythm?
A cool, bright and nearly dry winter period supports the natural cycle. Reduce water during prolonged summer heat.
05Is it safe around children and animals?
Not regarded as poisonous, but the small spines require careful handling and distance.
06What makes it distinctive?
Purple skin, flattened geometry and a documented Bolivian highland lineage make it exceptionally collectible.
📦 Your plant travels protected
Every order is prepared with care so your plant arrives upright, secure and safe.
Individual protection
Plants in pots with a capacity of 3 litres or more are placed in individual boxes that hold the pot securely and reduce the risk of tipping over.
Sturdy packaging
We use reinforced cardboard designed to protect against impacts and vibration during transport.