Caralluma albocastanea (Marloth) L.C.Leach
White-brown Caralluma
Herbaceous succulent endemic to the arid interior of South Africa (Karoo and adjacent areas). Originally described by Rudolf Marloth as Boucerosia albocastanea, it was transferred to Caralluma by L.C. Leach. Its flowers are striking, two-toned: cream-white petals with a dark chestnut centre, giving the species its name.
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Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Caralluma |
| Growth Habit | Compact succulent herb, clump-forming. |
| Conservation Status | Not assessed by IUCN; potentially vulnerable due to restricted distribution. |
| pH Target | 7.0–8.0 |
| Type | Stony, sandy, very porous. |
Origin & Habitat
Requirements
Soil & Substrate
Type
Stony, sandy, very porous.
groups Beneficial Associations
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Propagation Strategy
A
O
Every 4–5 years.
One quarter-dose cactus fertilizer application at the start of the growing season.
Uses & Applications
Precautions / Toxicity
Potentially toxic if ingested.
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"Basionym: Boucerosia albocastanea Marloth. Assignment to Caralluma follows the revision by L.C. Leach (1985)."
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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.