- selected for edem
psidium guajava
- Wood Density: 650
- products
- height: up to 10 m
- info
- wiki
- tokopedia
- type: tropical evergreen shrub or small tree
- properties
- root: moderately deep taproot with lateral roots, adaptable to poor soils
- stem: woody, branched, with smooth, flaky bark revealing greenish underlayer
- leaf: opposite, oblong to elliptic (5–15 cm), leathery, aromatic when crushed
- flower: white, fragrant, 4–5 petals with numerous stamens, solitary or clustered
- fruit: round to pear-shaped berry, 5–12 cm, green to yellow skin, white to pink flesh with small hard seeds
- bark: thin, exfoliating in patches, light brown to green, medicinal purposes
- timber: moderately hard, light brown, used for tools, firewood, and carving
- Environment: thrives in warm, humid climates with full sun and well-drained soil, drought-tolerant and highly adaptable
- Climate: tropical to subtropical, tolerates dry and humid zones, fruits well with light seasonal variation
- Sun: 700–1000 W/m²
- No Sun Days: 10–15 days
- Water: 1000–2000 mm/year
- No Water Days: 30–60 days
- Humidity: 50–90 %
- Fog Resistance: 10–15 days
- Max Temp: 42 °C
- Optimal Temp: 22–32 °C
- Min Temp: 4 °C
- Wind Damage: cold-dry, salty-coastal
- Soil: light to medium loamy soil with good drainage, tolerates acidic to neutral pH and moderate salinity
- Spacing: 4–6 m between trees depending on variety and management system
- lifecycle
- Longevity: 30–40 years
- Germination: seeds germinate in 14–30 days, scarification improves speed and success
- Seedling: fast initial growth, transplant at 20–30 cm height, prefers filtered light
- Mature: flowers and fruits in 2–4 years; multiple fruiting cycles per year in tropical zones
- Death: gradual decline due to fungal disease, water stress, or old age
- features: edible fruit, fast growing, attract pollinators, medicinal, wind-tolerant
- layer: sub-canopy, canopy (in food forests), shrub-layer (in pruning systems)
- products: fresh fruit, fruit juice, fruit vinegar, leaf tea, leaf extract, bark decoction, timber, dye, firewood
- chemical compounds
| compound | plant part | % amount | description |
|---|
| [[vitamin c | ascorbic acid]] | fruit | ~200–300 mg/100g |
| dietary fiber | fruit | ~5–7% | aids digestion, slows sugar absorption |
| pectin | fruit | ~1.2–2% | soluble fiber used in gut health and fruit processing |
| quercetin | leaf | ~0.5–1% | antioxidant, anti-inflammatory, [[blood sugar |
| tannins | leaf, bark | ~5–10% | astringent, antibacterial, antifungal |
| flavonoids | leaf, fruit | ~0.3–1% | antioxidant, supports capillary health |
| carotenoids | fruit | ~0.1–0.3% | antioxidant pigments, provitamin a activity |
| essential oils | leaf | trace <0.1% | aromatic, antimicrobial |
| alkaloids | bark, root | ~0.1–0.3% | traditional use in antimicrobial and anti-diarrheal applications |
| triterpenoids | bark, leaf | trace–0.5% | mild anti-inflammatory and liver-supporting actions |
| lignin, cellulose | timber | ~40–60% | structural wood components used for tools and biofuel |
- operations
- propagate plants: most commonly grown from seed; improved cultivars propagated by grafting, air-layering, or cuttings
- maintenance: prune annually after fruiting to control height, shape, and encourage flowering; mulch and compost around root zone
- harvest:
- fruit: hand-harvested when yellow or light green and aromatic, fruiting occurs 2–3 times per year in tropical zones
- leaves: collected for tea or extract, young, mature green leaves preferred
- bark: harvested from mature trees for decoction in traditional medicine
- timber: used from old or pruned trees, applied in basic carpentry and firewood
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- leaves:
- bark:
- fruit:
- roots:
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traditional medicine recipes
- guava leaf tea for diarrhea and digestion
- ingredients
- 5–7 fresh guava leaves (or 1 tablespoon dried)
- 2 cups water
- instructions
- wash the leaves thoroughly.
- boil the leaves in 2 cups of water for 10–15 minutes.
- strain and let cool slightly.
- drink 1/2 cup, 2–3 times per day.
- uses
- guava leaf rinse for oral health
- ingredients
- 4–5 guava leaves
- 1 cup of water
- instructions
- boil the leaves in water for 10 minutes.
- let the infusion cool to room temperature.
- use as a mouth rinse twice daily.
- uses
- guava leaf poultice for wounds and infections
- ingredients
- a handful of fresh guava leaves
- mortar and pestle or blender
- instructions
- crush or blend the guava leaves into a thick paste.
- apply directly to the wound or infected area.
- cover with clean gauze and leave for 1–2 hours.
- repeat 2–3 times daily.
- uses
- guava fruit decoction for cough and cold
- ingredients
- 1 ripe guava (chopped)
- 1 cup of water
- optional: a pinch of salt or ginger
- instructions
- boil chopped guava in water for 10 minutes.
- mash and strain.
- drink warm once or twice a day.
- uses
- guava leaf steam for skin and respiratory health
- ingredients:
- 10–12 guava leaves
- 1 liter of boiling water
- instructions
- place guava leaves in a bowl.
- pour boiling water over the leaves.
- lean over the bowl, cover head with a towel, and inhale steam for 10–15 minutes.
- uses
Link to original
psidium cattleianum
Link to original
- research