Bowiea gariepensis van Jaarsv.
Gariep climbing onion
Subspecies or species closely related to Bowiea volubilis, endemic to the arid regions of Northern and Western Cape, South Africa, especially in the Gariep (Orange) River basin. Distinguished from typical B. volubilis by its flowers with wider tepals and generally smaller bulbs adapted to more arid conditions. Considered by some authors as Bowiea volubilis subsp. gariepensis.
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Overview
| Category | Classification |
|---|---|
| Family | Asparagaceae |
| Genus | Bowiea |
| Growth Habit | Climbing geophyte with exposed bulb; winter-growing cycle |
| Conservation Status | Data Deficient (DD) / Vulnerable according to some regional assessments |
| pH Target | 6.0–7.5 |
| Type | Sandy-mineral, very poor and fast-draining |
Origin & Habitat
Requirements
Soil & Substrate
Type
Sandy-mineral, very poor and fast-draining
groups Beneficial Associations
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Propagation Strategy
S
W
Every 4–5 years
Minimal; half dose of low-nitrogen mineral fertilizer, once at the peak of winter growth
Uses & Applications
Precautions / Toxicity
HIGHLY TOXIC, same as B. volubilis. Contains bufadienolide glycosides (Scilliroside). Dangerous to humans and pets.
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Plant Health
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"Taxon still under taxonomic debate; treated as an independent species by van Jaarsveldt and as a subspecies of B. volubilis by other authors. Plants from the Gariep basin are consistently smaller and more tolerant of extreme drought."
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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.