Caralluma robusta N.E.Br.
Robust Caralluma
Caralluma robusta is a succulent with erect and notably robust stems, a trait reflected in its name. It belongs to subfamily Asclepiadoideae and grows in dry scrublands of southern Africa, where its thick quadrangular stems act as water reservoirs during droughts.
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Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Caralluma |
| Growth Habit | Geophytic succulent with erect stems forming compact clumps. |
| Conservation Status | Not Evaluated (NE) by the IUCN globally. |
| pH Target | 6.0–7.5 |
| Type | Sandy-gravelly, very well drained. |
Origin & Habitat
Requirements
Soil & Substrate
Type
Sandy-gravelly, very well drained.
groups Beneficial Associations
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Propagation Strategy
L
O
Every 2–3 years or when roots emerge from drainage holes.
Diluted liquid cactus fertilizer once a month during spring and summer.
Uses & Applications
Precautions / Toxicity
May cause mild gastrointestinal irritation if ingested. Keep out of reach of children and pets.
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"Species described by N.E. Brown; its robust stems distinguish it from other Caralluma of southern Africa."
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Scientific Integrity
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Sources
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Discussion
Disclaimer
This species record is provided for educational and informational purposes only. Jardín Roca Negra does not guarantee the accuracy or completeness of the data. Content is community-curated and may be subject to revision; it should not replace advice from a qualified botanist. This species may be toxic, invasive, or subject to legal restrictions — verify before handling or cultivating. Jardín Roca Negra accepts no liability for any harm arising from reliance on this information. Images are reproduced under Creative Commons or equivalent free licenses; credits are noted below each image.