Aloe ibitiensis

Overview

Aloe ibitiensis is an accepted species native to central Madagascar. It is solitary, stemless or short-stemmed, with ascending to erect lanceolate bright olive-green leaves; the inflorescence is 40–150 cm tall and bears bright clear-red, almost campanulate flowers. [1, 2]

Classification and nomenclature

Accepted name: Aloe ibitiensis H.Perrier [1]
Protologue bibliography: Mém. Soc. Linn. Normandie, Bot. 1: 30 (1926) [1]
Synonyms: Aloe cremersii Lavranos [1]

Aloe cyrillei J.-B.Castillon [1]

Aloe itremensis Reynolds [1]

Aloe saronarae Lavranos & T.A.McCoy [1]

Etymology

The epithet refers to the occurrence of the species on Mt Ibity in Madagascar. [3]

Key characteristics

Growth form

Solitary; stemless or with a short, decumbent stem. [2]

Leaves

Leaves 18–40 × 3–6 cm, rarely longer; 8–16 per rosette, lanceolate, ascending to erect, bright olive-green. [2]

Leaf surface and margin

Leaf margins bear pungent teeth 1.5–2.5 mm long, spaced 4–8 mm apart. [2]

Inflorescence and flowers

Inflorescence 40–150 cm tall, simple or 1–3-branched; perianth 18–30 mm long, bright clear red and almost campanulate. [2]

Distribution

Central Madagascar. [1]

Habitat

Recorded on quartzite outcrops at 1,200–2,000 m in a seasonally dry tropical biome. [2, 1]

Main references

Royal Botanic Gardens, Kew. Plants of the World Online: Aloe ibitiensis H.Perrier (accessed 2026-09-20). Source
Carter, S., Lavranos, J.J., Newton, L.E. & Walker, C.C. (2011). Aloes: The Definitive Guide. Royal Botanic Gardens, Kew. pp. 252–253, 330–331.
Grace, O.M., Klopper, R.R., Figueiredo, E. & Smith, G.F. (2011). The Aloe Names Book. Strelitzia 28. South African National Biodiversity Institute, Pretoria. p. 75.
Castillon, J.-B. & Castillon, J.-P. (2010). Les Aloe de Madagascar / The Aloe of Madagascar. J.-P. Castillon. 400 pp.

Updates

Classification, distribution and descriptive information are revised as new sources are verified or taxonomic treatments change.