Caralluma longicornuta Croizat ex J.C.Gomes & E.C.Sousa
Long-horned Caralluma
Succulent with quadrangular toothed-angled stems, native to the arid zones of Angola and Namibia. Its name refers to the elongated, horn-like corona lobes of the flower, a distinctive feature that sets it apart from other members of the genus. It grows on rocky outcrops and stony soils under extreme arid conditions.
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Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Caralluma |
| Growth Habit | Clump-forming succulent with erect stems, up to 20–25 cm tall |
| Conservation Status | Not assessed by IUCN; restricted distribution in the arid zones of Angola and Namibia |
| pH Target | 6.5–7.8 |
| Type | Arid, very well-draining rocky soil, neutral to slightly alkaline pH |
Origin & Habitat
Requirements
Soil & Substrate
Type
Arid, very well-draining rocky soil, neutral to slightly alkaline pH
groups Beneficial Associations
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Propagation Strategy
A
O
Every 2–3 years in spring
Diluted cactus fertiliser once in spring and once in early summer
Uses & Applications
Precautions / Toxicity
Not toxic to humans; flowers may emit a moderate unpleasant odour
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"Described by Léon Croizat and formalised by J.C. Gomes and E.C. Sousa. The elongated corona lobes constitute the main diagnostic character. Species poorly represented in botanical collections outside its range."
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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.