Caralluma israelitica Zohary & Chaouat
Israeli Caralluma
A species endemic to Israel described by Michael Zohary and Chaouat, considered one of the rarest succulents in the country. Grows in the Negev Desert and on the steep slopes of the Dead Sea, in a very restricted habitat under heavy pressure from land use change and tourism. Stems are small quadrangular, greyish, and flowers show the five typical genus lobes with dark colouration.
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Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Caralluma |
| Growth Habit | Small to medium clump-forming succulent with short compact quadrangular stems |
| Conservation Status | Endangered or Vulnerable at national level (Israel); very rare endemic with minimal distribution area |
| pH Target | 7.5–8.5 |
| Type | Limestone rock with fissures; almost pure calcareous mineral soil, no organic matter |
Origin & Habitat
Requirements
Soil & Substrate
Type
Limestone rock with fissures; almost pure calcareous mineral soil, no organic matter
groups Beneficial Associations
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Propagation Strategy
S
A
Every 3–4 years; species grows very slowly and tolerates small pots
No regular fertilisation; if applied, maximum one very diluted dose in spring
Uses & Applications
Precautions / Toxicity
No documented toxicity
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"One of the rarest endemic succulents in Israel. Its distribution area is limited to a few localities in the Negev and the Jordan Valley. Wild populations are threatened by grazing, tourism and urbanisation. Israeli collections such as the Hebrew University of Jerusalem Botanical Garden maintain ex situ material."
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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.