Catevala retusa (L.) Medik.
Star Haworthia
Synonym of Haworthia retusa (L.) Duval. One of the most beloved haworthias for its truncated, translucent leaf tips called windows, which give the plant its flattened star appearance. Endemic to a very small area near Riversdale, Western Cape. Originally described by Linnaeus; published in Catevala by Medikus.
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© S Molteno; Abu Shawka / Wikimedia Commons
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Overview
| Category | Classification |
|---|---|
| Family | Asphodelaceae |
| Genus | Catevala |
| Growth Habit | Semi-buried succulent rosette |
| Conservation Status | Vulnerable (endemic to a very small area) |
| pH Target | 6.5-8.0 |
| Type | Clay-sandy in natural habitat; very free-draining substrate in cultivation. |
Origin & Habitat
Requirements
Soil & Substrate
Type
Clay-sandy in natural habitat; very free-draining substrate in cultivation.
groups Beneficial Associations
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Propagation Strategy
P
E
Every 2-3 years, in spring.
Diluted succulent fertilizer, minimal dose, once in spring.
Uses & Applications
Precautions / Toxicity
Not toxic to humans; caution with pets.
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"Synonym of Haworthia retusa (L.) Duval. Species endemic to a very small area of the South Coast of South Africa. Linnaeus originally described it under Aloe retusa in 1753; Medikus transferred it to Catevala. The translucent "windows" are an adaptation for capturing light in semi-shade or partial burial conditions."
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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.