Astroloba pentagona (Haw.) Uitewaal
Five-sided astroloba
Astroloba pentagona is the type species of the genus Astroloba, recognisable by its distinctive pentagonal stem cross-section, which reflects the arrangement of its 5 leaf ranks. Endemic to the Western Cape, it grows mainly around Calitzdorp and Oudtshoorn in the Little Karoo.
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© Abu Shawka, Wikimedia Commons
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Overview
| Category | Classification |
|---|---|
| Family | Asphodelaceae |
| Genus | Astroloba |
| Growth Habit | Compact 5-ranked spiral rosette with a distinctly pentagonal stem cross-section; reaches 10–20 cm tall; may form clumps via basal offsets. |
| Conservation Status | Not Evaluated (NE) by IUCN; distribution in the Little Karoo relatively stable though restricted. |
| pH Target | 6.0–7.0 |
| Type | Well-drained, slightly sandy with organic matter |
Origin & Habitat
Morphology
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Requirements
Soil & Substrate
Type
Well-drained, slightly sandy with organic matter
groups Beneficial Associations
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Propagation Strategy
T
O
Every 2–3 years or when roots fill the pot
Diluted cactus fertilizer once a month in spring and summer; no fertilizing in autumn-winter
Uses & Applications
Precautions / Toxicity
Not toxic to humans
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Plant Health
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"As the type species of the genus, Astroloba pentagona has special taxonomic importance. Its pentagonal cross-section is the most striking and diagnostic trait of the genus. It intergrades with A. spiralis in some localities of the Little Karoo."
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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.