Angolluma ubomboensis (I.Verd.) Plowes
Ubombo angolluma
South African endemic restricted to the Ubombo Mountains in northern KwaZulu-Natal, near the border with eSwatini. Grows on sandstone and granite rocky outcrops in dry low-altitude scrubland. Its flowers display the typical brownish-purple tones of African stapeliads.
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Overview
| Category | Classification |
|---|---|
| Family | Apocynaceae |
| Genus | Angolluma |
| Growth Habit | Compact, erect stems 8–15 cm with 4 angles, growing in dense clumps in rocky crevices |
| Conservation Status | Vulnerable (very restricted distribution) |
| pH Target | 6.5–7.5 |
| Type | Sandy, very well-drained, low in nutrients |
Origin & Habitat
Morphology
4-angled, green with grey tint and dark spots at angles, 1–1.5 cm diameter
ecoStar-shaped, 5 triangular petals, uniform brownish-purple or spotted, 1.5–2 cm diameter, faint carrion smell
ecoFibrous, adapted to growing in rock crevices; tolerates very poor substrates
ecoCompact greyish rupicolous plant; flowers at stem bases in summer
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Requirements
Soil & Substrate
Type
Sandy, very well-drained, low in nutrients
groups Beneficial Associations
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Propagation Strategy
S
U
Every 2–3 years in spring
Very diluted cactus fertilizer (1/4 dose), once in June and once in August
Uses & Applications
Precautions / Toxicity
Some stapeliads contain cardiac glycosides; keep away from pets
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Plant Health
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"Described by I. Verdoorn and transferred to Angolluma by Plowes. Punctual distribution in the Ubombo Mountains; cultivation outside specialists is very rare. Synonym: Caralluma ubomboensis I.Verd."
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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.