Tulista kingiana (Poelln.) Gideon F.Sm. & Molteno
King's Tulista
King's Tulista is an acaulescent succulent endemic to the coastal strip of South Africa's Western Cape and the George district, classified as Endangered by the IUCN. Its leaves are smaller and tubercles finer than T. pumila, with a more uniform wart distribution. Very rare in the wild and scarce in cultivation, its in vitro propagation is a priority for Cape botanical conservation programmes.
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© S Molteno
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Overview
| Category | Classification |
|---|---|
| Family | Asphodelaceae |
| Genus | Tulista |
| Growth Habit | Acaulescent; solitary to slightly caespitose; slow vegetative propagation. |
| Conservation Status | Endangered (IUCN EN). Threatened by coastal agricultural expansion, fires and poaching. Separated from Haworthia (Manning et al. 2014). |
| pH Target | 5.0 – 6.5 |
| Type | Acid coastal sandy, very poor, free-draining; pH 5.0–6.5. |
Origin & Habitat
Morphology
Lanceolate-triangular leaves 6–12 cm, dark green with moderately prominent uniformly distributed white tubercles; margins with cream spines more widely spaced than in T. pumila. Overall appearance more gracile than its congeners.
ecoStem practically absent; compact rosette 10–15 cm across. Very scarce offset production in cultivation.
ecoInflorescence 20–30 cm; bilabiate white flowers with pink to green stripes. Spring flowering.
ecoFibrous tending to fleshy storage roots; adapted to the sandy-stony coastal soils of the Western Cape.
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Requirements
Soil & Substrate
Type
Acid coastal sandy, very poor, free-draining; pH 5.0–6.5.
groups Beneficial Associations
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Propagation Strategy
- 1 Identify basal offsets of at least 3 cm in diameter; T. kingiana is endemic to the Eastern Cape.
- 2 In spring, remove the plant and separate offsets with a sterilized knife, preserving roots.
- 3 Callus cut surfaces for 1–2 days in an airy spot.
- 4 Plant in well-draining mineral substrate and water gently after 5–7 days.
- 1 Sow on the surface of fine, well-draining substrate that is lightly moist.
- 2 Maintain 20–25 °C with bright indirect light; cover with glass and ventilate daily.
- 3 Germination in 3–6 weeks; gradually remove cover.
- 4 Transplant individually at 6–12 months.
- 1 Remove a mature basal leaf with a gentle twist until it detaches with the base intact.
- 2 Callus for 2–3 days in a ventilated spot.
- 3 Rest the base on barely moist mineral substrate without burying.
- 4 Mist every 10 days in a warm spot with indirect light; shoots may appear in 6–10 weeks.
T. kingiana is endemic to the Eastern Cape of South Africa; as a shade-tolerant species, it thrives with bright indirect light and avoids intense direct midday sun.
Exposing to intense direct sun that scorches the leaves of this shade-tolerant species.
Every 2–3 years in spring with well-draining mineral substrate. Terracotta pot sized appropriately for the rosette.
Once a month in spring and summer with balanced fertilizer at half dose. No fertilization in autumn-winter.
Uses & Applications
Precautions / Toxicity
Non-toxic. EN status requires all traded specimens to be propagation-grown.
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"T. kingiana is the least-documented species in the genus for reproductive biology; initial in vitro propagation studies at Stellenbosch University from 2018 demonstrated that micropropagation via apical meristem culture is viable and can yield dozens of plantlets per explant, offering hope for ex situ conservation."
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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.