Argyroderma lesliei N.E.Br.
Leslie's Argyroderma
Argyroderma lesliei N.E.Br. is a mesemb endemic to the Little Karoo and the Calitzdorp region of South Africa, named in honor of plant collector David D. Leslie. Unlike most Argyroderma that produce magenta or pink flowers, A. lesliei produces pure white flowers, a key diagnostic characteristic. It grows in white quartz fields where its silvery body and white flowers mimic the substrate even more perfectly.
chevron_right edit_note Proposed edits auto-approved at +3 net votes
No pending proposals for this section.
Overview
| Category | Classification |
|---|---|
| Family | Aizoaceae |
| Genus | Argyroderma |
| Growth Habit | Acaulescent mesemb, solitary or caespitose; ovoid body 2–5 cm, silvery-grey and smooth. Pure white flowers, distinctive in the genus. Winter grower. |
| Conservation Status | No formal IUCN assessment; distribution restricted to the Little Karoo and Calitzdorp. |
| pH Target | 6.5–7.5 |
| Type | Very sandy or gravelly, extremely well-drained |
Origin & Habitat
Morphology
Ovoid body 2–5 cm, silvery-grey and very smooth surface. Well-defined apical fissure from which white flowers emerge.
ecoPure white flowers, 2.5–4 cm in diameter; main diagnostic feature of the species. Autumn–winter blooming. The contrast between the silvery body and white flower is of great elegance.
ecoFibrous and deep root system, adapted to the quartzitic substrate of the Little Karoo.
ecoSilvery plant of elegant and minimalist appearance; its white flowers contrast subtly with the white quartz substrate.
ecochevron_right edit_note Proposed edits auto-approved at +3 net votes
No pending proposals for this section.
Requirements
Soil & Substrate
Type
Very sandy or gravelly, extremely well-drained
groups Beneficial Associations
chevron_right edit_note Proposed edits auto-approved at +3 net votes
No pending proposals for this section.
Propagation Strategy
- 1 Sow on surface of very fine quartzitic sand without covering
- 2 Mist with water and cover with transparent film
- 3 Keep at 15–22 °C with diffuse light
- 4 Ventilate daily; remove film at 3 weeks
- 5 Transplant carefully at 12–18 months
- 1 Only in autumn at start of growth period
- 2 Clean scalpel; callous 2–3 days in dry spot
- 3 Plant in mineral sand; no watering until visible activity
W
Watering in summer
Every 3–4 years in autumn
Very diluted mineral fertilizer (10% dose) once a year in autumn. Never in summer.
Uses & Applications
Precautions / Toxicity
Non-toxic to humans or domestic animals.
chevron_right edit_note Proposed edits auto-approved at +3 net votes
No pending proposals for this section.
Plant Health
chevron_right edit_note Proposed edits auto-approved at +3 net votes
No pending proposals for this section.
"The white flowers of A. lesliei are unique within the genus Argyroderma; practically all other species have flowers in the pink–magenta–yellow spectrum. N.E.Brown dedicated it to collector D.D. Leslie, who contributed significantly to botanical knowledge of the South African Little Karoo in the late 19th century."
chevron_right edit_note Proposed edits auto-approved at +3 net votes
No pending proposals for this section.
Scientific Integrity
🟡 MediumVote to help validate this record
Sources
Loading…
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.