Faucaria gratiae L.Bolus
Grace's Tiger Jaws
Faucaria gratiae, "Grace's Tiger Jaws," is a species from the South African Albany Thicket with very limited scientific documentation in widely accessible literature. The epithet "gratiae" refers to a morphological grace or elegance that distinguishes it from the more robust species of the genus. It is characterized by relatively slender, elegant leaves with delicate teeth.
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Overview
| Category | Classification |
|---|---|
| Family | Aizoaceae |
| Genus | Faucaria |
| Growth Habit | Compact rosette, somewhat more delicate than other Faucaria; forms small clumps. Autumn–winter growth. |
| Conservation Status | Insufficiently documented for evaluation; considered low concern at regional level given the Albany Thicket as habitat. |
| pH Target | 6.0 – 7.5 |
| Type | Albany Thicket: clay-sandy, well-drained, slightly organic. |
Origin & Habitat
Morphology
Leaves 2.5–4.5 cm long, medium green, with finer, more delicate marginal teeth compared to F. tigrina; moderate white spotting.
ecoShort and branched; standard genus structure.
ecoYellow flowers with the typical genus pattern; estimated size 3–5 cm. Autumn flowering.
ecoFibrous roots similar to the rest of the genus.
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Requirements
Soil & Substrate
Type
Albany Thicket: clay-sandy, well-drained, slightly organic.
groups Beneficial Associations
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Propagation Strategy
- 1 Collect seeds in autumn–winter.
- 2 Surface-sow on fine mineral sand at 18–22 °C.
- 3 Maintain daily temperature variation; moisten with a mister.
- 4 Germination in 7–21 days; transplant seedlings at 2–3 months.
- 1 Remove plant from pot in autumn.
- 2 The slender leaves of F. gratiae require careful handling to avoid breaking them.
- 3 Separate heads with roots; callus for 2–3 days.
- 4 Plant in mineral substrate; water after one week.
F. gratiae has more slender, elegant leaves than most of the genus; protect from hail or strong wind.
Watering in summer without respecting the summer semi-dormancy of the Faucaria genus.
Every 2–3 years in autumn.
Balanced fertilizer at 50% monthly from October to March. No fertilization in summer.
Uses & Applications
Precautions / Toxicity
Not toxic; safety profile consistent with the genus.
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"F. gratiae is one of the Faucaria most rarely found in collections and in the literature; available data are largely inferred from the rest of the genus by habitat similarity. Conservative management following F. tigrina parameters is recommended."
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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.