Aloe haemanthifolia Marloth & A.Berger
Blood-lily-leaved aloe
Aloe haemanthifolia is an extraordinarily unique aloe for its distichous leaf arrangement — the leaves grow in a single flat plane, like a two-dimensional fan, instead of the typical spiral rosette of the genus — which makes it resemble Haemanthus plants, from which it takes its name. It grows exclusively on the vertical faces of the cliffs of the Hottentots Holland and Franschhoek mountains in the altitude fynbos of the Western Cape.
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Overview
| Category | Classification |
|---|---|
| Family | Asphodelaceae |
| Genus | Aloe |
| Growth Habit | Distichous (flat fan) rosette, on vertical cliff faces |
| Conservation Status | Vulnerable |
| pH Target | 5.5–6.5 |
| Type | Acidic sandstone lithosol; quartz and sandstone gravel |
Origin & Habitat
Morphology
Spatulate-oblong leaves 15–30 cm long, bright green, with small marginal teeth and slightly textured surface; arranged in a single distichous plane.
ecoShort or absent stem, anchored in vertical rock crevices by robust adventitious roots.
ecoTubular flowers 3–4 cm long, intense red, in simple racemes on pendulous or erect peduncles 30–50 cm long. Flowering in the Cape winter–spring.
ecoThick adherent adventitious roots penetrating and expanding into micro-fissures of sandstone and granite cliffs.
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Requirements
Soil & Substrate
Type
Acidic sandstone lithosol; quartz and sandstone gravel
groups Beneficial Associations
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Propagation Strategy
- 1 Sow in acidic sandstone gravel mixed with coarse sand at 18–22 °C.
- 2 Keep slightly moist with base watering; do not wet foliage.
- 3 Germination in 3–6 weeks; initial growth very slow.
- 4 Transplant into crevices of vertical acidic substrate at 12–18 months.
- 1 Divide mature clusters with a sterile scalpel in autumn when the plant is active.
- 2 Allow cuts to callus for 4–5 days in a cool dry environment.
- 3 Plant immediately in an inclined or vertical acidic substrate crevice.
- 4 Water from below after 2 weeks; avoid moisture in the rosette.
Replicate the cliff habitat: plant at an angle in very porous acidic substrate.
Watering over the leaf fan, causing rot at the rosette centre.
Every 4–5 years; prefer permanent crevices in acidic substrate
Very diluted acidic fertilizer (for azaleas) once a year in autumn
Uses & Applications
Precautions / Toxicity
Toxic if ingested; no contact toxicity data under normal conditions.
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"The distichous leaf arrangement in A. haemanthifolia is an exclusive synapomorphy within the genus Aloe; molecular phylogenetic studies confirm this trait evolved only once and position it in a basal clade of endemic Cape cliff aloes, being an evolutionary witness of the earliest radiations of the genus in the South African fynbos."
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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.