Aloe audhalica Lavranos & D.S.Hardy
Audhali aloe
Aloe audhalica is an aloe endemic to the arid limestone hills of inland Yemen, specifically in Shabwah governorate. It forms medium stemless rosettes with glaucous-green leaves armed with marginal teeth. It is one of the few aloes of the Arabian Peninsula and remains poorly studied outside its original description.
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Overview
| Category | Classification |
|---|---|
| Family | Asphodelaceae |
| Genus | Aloe |
| Growth Habit | Medium stemless rosette |
| Conservation Status | Data Deficient (Yemen endemic) |
| pH Target | 7.0–8.0 |
| Type | Stony calcareous soil, alkaline pH |
Origin & Habitat
Morphology
Glaucous-green lanceolate leaves 25–35 cm long, with spaced horny marginal teeth and a slightly channelled surface.
ecoAbsent; the rosette emerges directly from the calcareous substrate.
ecoYellow-orange tubular flowers in simple racemes on erect peduncles. Flowering recorded in winter.
ecoFibrous roots adapted to poor, very well-drained calcareous soils.
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Requirements
Soil & Substrate
Type
Stony calcareous soil, alkaline pH
groups Beneficial Associations
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Propagation Strategy
- 1 Carefully extract offsets that occasionally emerge at the base.
- 2 Allow to callus for 2–3 days in a warm, dry place.
- 3 Plant in calcareous substrate and water very sparingly.
- 4 They root in 6–10 weeks under warm conditions.
- 1 Sow in calcareous sandy mix at 25–28 °C.
- 2 Keep substrate slightly moist until germination.
- 3 Reduce watering as soon as seedlings emerge.
- 4 Transplant individually when 4–5 cm tall.
Use a small terracotta pot with aggressive drainage to replicate the rocky habitat.
Watering with the same frequency as aloes from more humid climates.
Every 3–4 years, only when roots outgrow the pot
Very diluted fertilizer (¼ dose), only once in spring
Uses & Applications
Precautions / Toxicity
Toxic if ingested; latex contains irritating anthraquinones.
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"Described by Lavranos and Hardy in 1967 from collections in the Audhali district of South Yemen; its exact distribution remains imprecise due to the region's historical inaccessibility."
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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.