Argyroderma digitifolium (N.E.Br.) Schwantes ex L.Bolus
Finger-leaved Argyroderma
Argyroderma digitifolium (N.E.Br.) Schwantes ex L.Bolus is one of the morphologically most singular species in the genus. Its name 'digitifolium' (finger-leaved) describes the elongated and more individualized form of its succulent leaves, which have a more cylindrical or digitiform appearance compared to the fully globose, fused body of other Argyroderma. Endemic to Namaqualand, it grows in white quartz fields.
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Overview
| Category | Classification |
|---|---|
| Family | Aizoaceae |
| Genus | Argyroderma |
| Growth Habit | Acaulescent mesemb; leaves more elongated and less fused than in other Argyroderma, with a digitiform or cylindrical appearance. Silvery-grey surface. Winter grower. |
| Conservation Status | No formal IUCN assessment; endemic to Namaqualand. |
| pH Target | 6.5–7.5 |
| Type | Very sandy or gravelly, extremely well-drained |
Origin & Habitat
Morphology
More elongated and digitiform leaves, less fused with each other than in other Argyroderma. Silvery-grey and smooth surface. Leaf length: 3–6 cm.
ecoFlowers 2–3.5 cm, pink to magenta, emerging between the leaves. Autumn–winter blooming.
ecoDeep root system adapted to loose quartzitic substrate.
ecoMore elongated and digitiform appearance than most of the genus; distinctive and recognizable in specialized collections.
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Requirements
Soil & Substrate
Type
Very sandy or gravelly, extremely well-drained
groups Beneficial Associations
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Propagation Strategy
- 1 Sow in fine sand in autumn
- 2 Keep moist with mister
- 3 15–22 °C
- 4 Ventilate daily
S
Watering in summer
Every 3–4 years in autumn
Once a year in autumn, very diluted
Uses & Applications
Precautions / Toxicity
Non-toxic.
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Plant Health
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"A. digitifolium represents a morphological intermediate between fully fused globose-bodied Argyroderma and other mesembs with more independent leaves. Its taxonomic position has been revised several times; Schwantes originally described it under Mesembryanthemum digitifolium and it was transferred to Argyroderma by L.Bolus."
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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.