Apteranthes joannis (Maire) Plowes
Joan's apteranthes
Apteranthes joannis is a Moroccan stapeliad described by Maire and reclassified into Apteranthes by Plowes. It grows in the arid and pre-desert zones of southwestern Morocco, including the Atlas foothills. Occasionally cultivated in European botanic gardens with mild climates, such as the famous Exotic Garden of Monaco.
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© Georges Jansoone (JoJan), via Wikimedia Commons
CC BY 3.0
Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Apteranthes |
| Growth Habit | Perennial herbaceous succulent forming clumps of angular succulent stems, following the general pattern of the genus. |
| Conservation Status | Data Deficient (DD) — species with restricted distribution in Morocco; poorly studied in recent decades. |
| pH Target | 7.0–8.5 |
| Type | Arid rocky, calcareous to stony. |
Origin & Habitat
Morphology
Angular, 4-ribbed, grayish-green to brownish, 10–20 cm.
ecoStar-shaped, medium-sized, typical genus coloration with brownish-red tones and banding patterns, carrion odor.
ecoSuperficial, fibrous.
ecoPaired follicles with plumed seeds.
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Requirements
Soil & Substrate
Type
Arid rocky, calcareous to stony.
groups Beneficial Associations
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Propagation Strategy
I
W
Every 3–4 years.
No fertilization or minimal dose in July.
Uses & Applications
Precautions / Toxicity
Mildly toxic; potentially irritant latex.
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Plant Health
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"One of the few photographic records available is from the Exotic Garden of Monaco. Its cultivation follows the same strict rules of the genus: dry winter, mineral substrate, maximum ventilation."
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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.