African Juniper
Juniperus procera · Accepted scientific name
Scientific literature: Sparse (60 studies) · ★★☆☆☆
African Juniper, scientifically known as Juniperus procera, is a majestic evergreen conifer native to the high-altitude forests of East Africa. Renowned for its impressive height and resilience, this species plays a vital ecological role in mountain ecosystems, providing essential habitat and traditional medicinal resources for local highland communities.
- Family
- Cupressaceae
- Native range
- Africa
- Parts used
- Leaf · Fruit
- Common names
- African Juniper · African Pencil Cedar · 5 more
- Scientific synonyms
- Sabina Procera
Names and Synonyms
Common Names
- African Juniper
- African Pencil Cedar
- East African Cedar
- African pencil-cedar
- East African juniper
- East African-cedar
- Kenya-cedar
Scientific Names
Accepted name
Juniperus proceraSynonyms
- Sabina procera
Regional and Traditional Names
German:
- Ostafrikanischer Wacholder
- Sabina procera
- Ostafrikanischer Wacholder
French:
- Genévrier d'Afrique
- Genevrier d'Afrique
- Genévrier d'Afrique
Sources: Wikidata, Catalogue of Life
Taxonomical Classification
This plant belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Pinidae, it is categorized under the order Pinales. Finally, it is classified within the family Cupressaceae under the genus Juniperus.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Pinidae |
| Order | Pinales |
| Family | Cupressaceae |
| Genus | Juniperus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
This plant is distributed across several distinct regions of the African continent. In West-Central Tropical Africa, it can be found within the Democratic Republic of the Congo. Its presence extends significantly into Northeast Tropical Africa as well. Specifically, it inhabits the territories of Djibouti, Eritrea, and Ethiopia. Finally, the species is also located within the borders of Somalia.
| Region | Area |
|---|---|
| West-Central Tropical Africa | DR Congo |
| Northeast Tropical Africa | Djibouti |
| Northeast Tropical Africa | Eritrea |
| Northeast Tropical Africa | Ethiopia |
| Northeast Tropical Africa | Somalia |
| Northeast Tropical Africa | Sudan-South Sudan |
| East Tropical Africa | Kenya |
| East Tropical Africa | Tanzania |
| East Tropical Africa | Uganda |
| South Tropical Africa | Malawi |
Sources: The World Checklist of Vascular Plants (WCVP)
Botanical Identification
Life history
The life history of Juniperus procera is characterized by a perennial lifecycle, allowing the species to establish long-term dominance within its high-altitude montane habitats. As a phanerophyte, it maintains its photosynthetic organs well above the ground, typically growing as a robust tree that can reach significant heights to compete for light in forest ecosystems. This plant exhibits an evergreen deciduousness, meaning it retains its scale-like foliage throughout the year, providing continuous photosynthetic capacity and structural stability across varying seasonal conditions.
- Deciduousness :
- evergreen
- Life form :
- phanerophyte
- Lifecycle :
- perennial
Morphology
The morphology of Juniperus procera is characterized by a robust, woody growth form, functioning as a self-supporting tree that can reach an average height of approximately 30 m. As a terrestrial species, it does not exhibit aquatic or semiaquatic tendencies, nor does it function as an epiphyte. The plant is entirely independent, lacking any parasitic behavior, and maintains a stable, self-supporting structure rather than growing as a climber, liana, or vine.
- Aquatic :
- terrestrial
- Climber :
- self-supporting
- Epiphyte :
- terrestrial
- Growth form :
- tree
- Parasite :
- independent
- Plant height mean:
- 30 m
- Woodiness :
- woody
Physiology
The physiology of Juniperus procera is characterized by a highly specialized metabolic framework adapted to its montane environments. It utilizes the C3 photosynthetic pathway, a common mechanism for many gymnosperms, which involves the direct fixation of carbon dioxide through the Calvin cycle within the mesophyll cells. In terms of nutrient acquisition, the species does not function as a nitrogen fixer, meaning it lacks the symbiotic relationships with nitrogen-fixing bacteria required to convert atmospheric nitrogen into bioavailable forms, relying instead on the uptake of nitrates and ammonium from the soil.
- Nitrogen fixer :
- no
- Photosynthetic pathway :
- C3
Reproduction
The reproduction of Juniperus procera is characterized by an abiotic pollination syndrome, specifically relying on wind for the transfer of pollen. This species does not exhibit self-fertilization, ensuring genetic diversity through cross-pollination. The resulting seeds vary in size, with a recorded minimum mass of 0.02037 g and a maximum mass of 0.08472 g, resulting in an average seed mass of approximately 0.037632222 g.
- Pollination syndrome :
- wind
- Pollination syndrome :
- abiotic
- Seed mass max:
- 0.08472 g
- Seed mass mean:
- 0.037632222 g
- Seed mass min:
- 0.02037 g
- Self fertilization :
- absent
Sources: Global Inventory of Floras and Traits (GIFT)
Plant Parts
Juniperus procera has 3 reported plant parts identified across 7 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, fruit, seed.
| Plant part | Supporting sources | Consensus |
|---|---|---|
| Leaf | 5 supporting sources | ★★★☆☆ |
| Fruit | 1 supporting sources | ★☆☆☆☆ |
| Seed | 1 supporting sources | ★☆☆☆☆ |
Leaf
- Molecules (Basel, Switzerland)
- Parasites & vectors
- Saudi journal of biological sciences
- Bioinformatics and biology insights
- BioMed research international
Fruit
- Bioinformatics and biology insights
Seed
- Molecules (Basel, Switzerland)
Chemicals
Juniperus procera has 19 reported phytochemicals identified across 7 scientific publications and several other databases. The most consistently reported chemicals include Ferruginol, Gallic acid, TANNIC ACID, quercetin, 2-imino-6-nitro-2h-1-benzopyran-3-carbothiamide.
| Chemical | Supporting sources | Consensus |
|---|---|---|
| Ferruginol | 3 supporting sources | ★★☆☆☆ |
| Gallic acid | 2 supporting sources | ★☆☆☆☆ |
| TANNIC ACID | 2 supporting sources | ★☆☆☆☆ |
| quercetin | 2 supporting sources | ★☆☆☆☆ |
| 2-imino-6-nitro-2h-1-benzopyran-3-carbothiamide | 1 supporting sources | ★☆☆☆☆ |
| Flavonoid | 1 supporting sources | ★☆☆☆☆ |
| PHENANTHRENE | 1 supporting sources | ★☆☆☆☆ |
| Podocarpusflavone A | 1 supporting sources | ★☆☆☆☆ |
| RUTIN | 1 supporting sources | ★☆☆☆☆ |
| Superoxide dismutase | 1 supporting sources | ★☆☆☆☆ |
Ferruginol
- BMC plant biology
- Molecules (Basel, Switzerland)
- Frontiers in plant science
Gallic acid
- Molecules (Basel, Switzerland)
- Frontiers in plant science
TANNIC ACID
- Molecules (Basel, Switzerland)
- Frontiers in plant science
quercetin
- Molecules (Basel, Switzerland)
- Frontiers in plant science
2-imino-6-nitro-2h-1-benzopyran-3-carbothiamide
- Molecules (Basel, Switzerland)
Flavonoid
- Frontiers in plant science
PHENANTHRENE
- Molecules (Basel, Switzerland)
Podocarpusflavone A
- Bioinformatics and biology insights
RUTIN
- Frontiers in plant science
Superoxide dismutase
- Frontiers in plant science
Activities
Juniperus procera has 7 reported activities identified across 7 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antibacterial, Antifungal, Antigout, Antimicrobial.
| Activity | Supporting sources | Consensus |
|---|---|---|
| Antioxidant | 2 supporting sources | ★☆☆☆☆ |
| Antibacterial | 1 supporting sources | ★☆☆☆☆ |
| Antifungal | 1 supporting sources | ★☆☆☆☆ |
| Antigout | 1 supporting sources | ★☆☆☆☆ |
| Antimicrobial | 1 supporting sources | ★☆☆☆☆ |
| Antitumor | 1 supporting sources | ★☆☆☆☆ |
| Hypoglycemic | 1 supporting sources | ★☆☆☆☆ |
Antioxidant
- Molecules (Basel, Switzerland)
- Pathophysiology : the official journal of the International Society for Pathophysiology
Antibacterial
- Molecules (Basel, Switzerland)
Antifungal
- Molecules (Basel, Switzerland)
Antigout
- Pharmacognosy research
Antimicrobial
- Molecules (Basel, Switzerland)
Antitumor
- Molecules (Basel, Switzerland)
Hypoglycemic
- Pathophysiology : the official journal of the International Society for Pathophysiology
Medicinal Uses
Juniperus procera has 9 reported medicinal uses identified across 7 scientific publications and several other databases. The most consistently reported uses include Mycobacterium intracellulare, Ovarian Cancer, antioxidant, breast cancer, colon cancer.
Most Reported Uses
| Use | Sources | Consensus |
|---|---|---|
| Mycobacterium intracellulare | Phytotherapy research : PTR (and other 1 sources) | ★☆☆☆☆ |
| Ovarian Cancer | Bioinformatics and biology insights (and other 1 sources) | ★☆☆☆☆ |
| antioxidant | Molecules (Basel, Switzerland) (and other 1 sources) | ★☆☆☆☆ |
| breast cancer | Molecules (Basel, Switzerland) (and other 1 sources) | ★☆☆☆☆ |
| colon cancer | Molecules (Basel, Switzerland) (and other 1 sources) | ★☆☆☆☆ |
| hyperglycemia | Pathophysiology : the official journal of the International Society for Pathophysiology (and other 1 sources) | ★☆☆☆☆ |
| inflammation | Pathophysiology : the official journal of the International Society for Pathophysiology (and other 1 sources) | ★☆☆☆☆ |
| liver cancer | Molecules (Basel, Switzerland) (and other 1 sources) | ★☆☆☆☆ |
| rheumatism | Saudi journal of biological sciences (and other 1 sources) | ★☆☆☆☆ |
Preparations
| Preparations | Sources | Consensus |
|---|---|---|
| leaf extract | Molecules (Basel, Switzerland) (and other 2 sources) | ★☆☆☆☆ |
| Juniperus procera extract | Pathophysiology : the official journal of the International Society for Pathophysiology (and other 1 sources) | ★☆☆☆☆ |
| Murashige and Skoog (MS) media | PeerJ (and other 1 sources) | ★☆☆☆☆ |
| acetone extract | Saudi journal of biological sciences (and other 1 sources) | ★☆☆☆☆ |
| seed extract | Molecules (Basel, Switzerland) (and other 1 sources) | ★☆☆☆☆ |