Acrodon bellidiflorus
Common Tiptoothfig
Acrodon bellidiflorus is a dwarf succulent belonging to the family Aizoaceae, native to the arid and semi-arid regions of the Western and Eastern Cape of South Africa. It is distinguished by its daisy-like pink-magenta flowers and grey-green triangular leaves covered in small crystalline papillae. It is one of the few species in the genus Acrodon, named for the tooth-like leaf margins.
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Overview
| Category | Classification |
|---|---|
| Family | Aizoaceae |
| Genus | Acrodon |
| Growth Habit | Dwarf perennial succulent, caespitose, forming compact cushions 5–10 cm tall |
| Conservation Status | Least Concern (LC) — IUCN |
| pH Target | 6.0–7.5 |
| Type | Sandy or gravelly, excellent drainage; quartz-rich |
Origin & Habitat
Morphology
Fleshy, triangular in cross-section, grey-green leaves, 2–3 cm long, with slightly toothed margins and a surface covered in crystalline papillae that reflect sunlight.
ecoSolitary flowers 3–4 cm in diameter, with numerous linear petals in bright pink to magenta, opening during sunny hours and closing at dusk.
ecoFibrous and shallow root system, adapted to capture surface moisture in the sandy or rocky soils of South African fynbos.
ecoDehiscent capsule with 8–12 locules that opens with moisture, releasing tiny seeds. Capsules persist on the plant through the dry season.
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Requirements
Soil & Substrate
Type
Sandy or gravelly, excellent drainage; quartz-rich
groups Beneficial Associations
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Propagation Strategy
- 1 Collect mature capsules at the end of the dry season and extract seeds.
- 2 Sow on moist sandy substrate uncovered (seeds need light to germinate).
- 3 Maintain at 20–25 °C with bright indirect light and consistent moisture.
- 4 Germination occurs in 7–21 days; transplant when seedlings have 2–3 pairs of leaves.
- 1 In spring, carefully separate lateral offshoots from the mother plant using a sterilized knife.
- 2 Allow the cut to dry in shade for 24–48 hours.
- 3 Plant in dry sandy substrate and do not water for the first week.
Use unglazed terracotta pots to promote lateral evaporation and prevent rot.
Overwatering during austral winter (dormancy period): causes lethal root rot.
Every 3–4 years or when roots emerge through drainage holes
Once per year, spring (September–October), balanced low-nitrogen mineral fertilizer
Uses & Applications
Precautions / Toxicity
No known toxicity reported for humans or pets.
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Plant Health
Root rot from excess moisture (Phytophthora spp.): the greatest cultivation risk. Avoid frequent watering and compacted substrates.
Mealybug (Planococcus citri): may attack under high ambient humidity; treat with diluted neem oil.
Red spider mite (Tetranychus urticae): occasional infestation in dry indoor conditions; control with mild systemic acaricide.
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"The generic name Acrodon comes from Greek 'akros' (tip) and 'odon' (tooth), referring to the toothed leaf margins. The species blooms mainly in austral spring (September–November) and is pollinated by native bees of the genera Apis and Halictus."
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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.