Boucerosia acutangula (Decne.) Decne.
Sharp-angled Caralluma
A creeping or scrambling succulent with sharply angled, quadrangular stems bearing prominent teeth, native to arid zones of India, Pakistan, and parts of Africa (Burkina Faso, Ethiopia). Currently accepted as Desmidorchis retrospiciens. Its small five-petalled flowers range from yellow to dark red with spotting, carrying a characteristic odour that attracts pollinating insects. Used in traditional medicine across its native range.
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© Marco Schmidt
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Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Boucerosia |
| Growth Habit | Creeping or scrambling succulent with quadrangular sharply-angled stems |
| Conservation Status | Least Concern (LC) — not formally assessed as a separate species by IUCN |
| pH Target | 6.5–8.0 |
| Type | Rocky, very well-draining sandy soil, slightly alkaline |
Origin & Habitat
Requirements
Soil & Substrate
Type
Rocky, very well-draining sandy soil, slightly alkaline
groups Beneficial Associations
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Propagation Strategy
P
O
Every 2–3 years or when roots outgrow the pot
Diluted cactus fertiliser once in spring and once in summer
Uses & Applications
Precautions / Toxicity
Generally considered non-toxic at food-grade doses; the flower smell can be unpleasant
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Plant Health
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"Taxonomically complex: originally described as Boucerosia acutangula, transferred to Caralluma acutangula and currently recognised as Desmidorchis retrospiciens. African populations have been subject to repeated nomenclatural revisions."
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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.