Juniper
Juniperus communis
Description
overall appearance
Evergreen shrub or small tree reaching 3-20 feet tall; extremely variable growth form from prostrate to upright.
roots
Deep taproot with lateral spreading roots; adapted to dry, rocky conditions; mycorrhizal associations.
stem
Multiple stems from base; fibrous, reddish-brown bark; needle-bearing twigs; very slow-growing.
leaves
Needle-like leaves in whorls of three; sharp-pointed; blue-green with white stripe above; persistent for 2-3 years.
flowers
Dioecious (male and female plants separate); small, inconspicuous flowers; wind-pollinated.
fruits/seeds
Berry-like cones (actually modified scales); blue-black with waxy bloom; take 2-3 years to mature.
Active Compounds
Traditional Uses
- Urinary tract infections and kidney disorders
- Digestive problems and poor appetite
- Arthritis and joint inflammation
- Respiratory ailments and bronchitis
- Skin conditions and wounds
- Traditional flavoring for gin
Modern Applications
- Urinary tract antiseptic and diuretic
- Digestive support and appetite stimulation
- Anti-inflammatory and antimicrobial effects
- Respiratory tract support
- Traditional aromatherapy applications
- Antioxidant and circulation support
⚠️ Safety Information
Contraindications
- Pregnancy (uterine stimulant and diuretic effects)
- Kidney disease or kidney inflammation
- Heart conditions with fluid retention
- Children under 12 years
Side Effects
- Kidney irritation with excessive or prolonged use
- Digestive upset and diarrhea
- Skin irritation with topical essential oil
- Increased urination (intended diuretic effect)
Drug Interactions
- Diuretic medications (may enhance effects)
- Diabetes medications (may affect blood sugar)
- Blood pressure medications
- Lithium (may affect elimination)
Parts Used
- Berries (mature blue-black cones - primary use)
- Essential oil from berries
- Young twigs and needles (occasionally)
- Bark (historical use)
Preparation Methods
1 teaspoon crushed berries per cup; steep 15-20 minutes
Berries simmered 10-15 minutes for stronger diuretic effects
1:5 ratio with 60% alcohol; macerate crushed berries 4 weeks
Steam distillation (professional preparation only)
Traditional alcoholic extraction (historical medicinal use)
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