Carruanthus ringens (L.) Boom
Gaping Ice Plant
The best-known species of the genus Carruanthus, originally described by Linnaeus as Mesembryanthemum ringens. The epithet "ringens" (gaping or open-mouthed) alludes to the shape of the flowers, which open wide like a mouth. It is the most commonly cultivated species of the genus and forms dense mats with spectacular yellow flowering.
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© Dick Culbert / Wikimedia Commons (Flickr)
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Overview
| Category | Classification |
|---|---|
| Family | Aizoaceae |
| Genus | Carruanthus |
| Growth Habit | Mat-forming succulent |
| Conservation Status | Least Concern (IUCN) |
| pH Target | 6.0-7.5 |
| Type | Sandy, gravelly, dry. |
Origin & Habitat
Requirements
Soil & Substrate
Type
Sandy, gravelly, dry.
groups Beneficial Associations
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Propagation Strategy
5
P
Every 2-3 years in pot; no transplanting needed in garden.
Diluted succulent fertilizer once at the start of spring.
Uses & Applications
Precautions / Toxicity
No documented toxicity; caution on contact with mucous membranes due to possible mild irritation.
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"Basionym synonym: Mesembryanthemum ringens L. (1753). Type species of the genus Carruanthus Schwantes (1927). Very popular in Mediterranean and xeric gardening for ease of cultivation and spectacular flowering."
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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.