Commiphora guidottii Chiov.
Guidotti's Commiphora
Somali shrub described by Chiovenda and dedicated to the Italian naturalist Guidotti. Produces a pleasantly fragrant aromatic resin marketed locally as Somali opoponax. Inhabits the arid north of Somalia (Somaliland) in scrublands on calcareous rocky soils. Morphologically similar to C. erythraea, with which it is sometimes confused in the resin trade.
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Overview
| Category | Classification |
|---|---|
| Family | Burseraceae |
| Genus | Commiphora |
| Growth Habit | Erect or spreading shrub 1.5–4 m. Succulent bark, light green to yellowish-green. Abundant branching with terminal spines. Deciduous during drought. |
| Conservation Status | Data Deficient (DD) – IUCN. Excessive resin harvesting represents pressure on wild populations. |
| pH Target | 7.0–8.5 |
| Type | Calcareous, stony, sandy |
Origin & Habitat
Requirements
Soil & Substrate
Type
Calcareous, stony, sandy
groups Beneficial Associations
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Propagation Strategy
C
O
Every 4–5 years, only when necessary.
Mineral fertilizer (NPK 5-10-10) very diluted, twice a year (May and July).
Uses & Applications
Precautions / Toxicity
Resin with low oral toxicity risk at normal incense-use doses. Avoid direct ingestion of large amounts. May cause skin sensitisation.
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"The resin of C. guidottii is frequently traded mixed or confused with that of C. erythraea under the generic name 'Somali opoponax'. A gas chromatography study (GC-MS) by Baser et al. differentiates both resins by their sesquiterpene profiles."
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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.