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psidium

psidium

Updated Nov 8, 20251 min read

  • genus
  • collectable
  • selected for edem
    • psidium guajava

      • Screenshot 2024-05-17 at 05.54.42.png
      • wood-density:: 650
      • products
        • fruit
      • 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
          • leaf-length:: 5–15 cm
        • 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/mΒ²
            • 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 Β°C
            • optimal-temp:: 22–32 Β°C
            • min-temp:: 4 Β°C
            • wind-damage:: cold-dry, salty-coastal
          • soil:: light to medium loamy soil with good drainage, tolerates acidic to neutral pH and moderate salinity
            • soil-ph:: 5.0–7.5
            • soil-type:: loamy,[[sandy loam], volcanic
          • spacing:: 4–6 m between trees depending on variety and management system
            • good-neighbors:: moringa, cassava, citrus, curcuma
            • bad-neighbors:: eucalyptus, ficus, casuarina
            • max-height:: 800 cm
            • max-spread:: 600 cm
        • 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
      compoundplant part% amountdescription
      ----------------------------------------------------------------------------------------------------------------------------------
      ascorbic acidfruit~200–300 mg/100gantioxidant, boost immunity
      dietary fiberfruit~5–7%aids digestion, slows sugar absorption
      pectinfruit~1.2–2%soluble fiber used in gut health and fruit processing
      quercetinleaf~0.5–1%antioxidant, anti-inflammatory, blood sugar regulation
      tanninsleaf, bark~5–10%astringent, antibacterial, antifungal
      flavonoidsleaf, fruit~0.3–1%antioxidant, supports capillary health
      carotenoidsfruit~0.1–0.3%antioxidant pigments, provitamin a activity
      essential oilsleaftrace <0.1%aromatic, antimicrobial
      alkaloidsbark, root~0.1–0.3%traditional use in antimicrobial and anti-diarrheal applications
      triterpenoidsbark, leaftrace–0.5%mild anti-inflammatory and liver-supporting actions
      lignin, cellulosetimber~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

      traditional medicine uses of psidium guajava

      • leaves:
      • infused or decocted to treat diarrhea, dysentery, and stomach pains
      • used as a gargle for sore throats, mouth ulcers, and gum infections
      • applied topically as a wound cleanser or anti-inflammatory poultice
      • brewed into tea for fever, cough, and flu symptoms
      • powdered leaves used in traditional diabetes control
      • bark:
      • decoction used as an antibacterial wash for skin infections and wounds
      • traditionally used for menstrual regulation, bleeding, and fever
      • fruit:
      • eaten raw or in preparations to boost immunity and digestive health
      • used in folk remedies to treat constipation, high blood pressure, and scurvy
      • roots:
      • root extracts are occasionally used for intestinal worms and chronic diarrhea

      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
        • traditionally used to treat diarrhea, stomach cramps, and dysentery due to the antimicrobial and astringent properties of tannins and flavonoids in the leaves.
      • 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
        • used to treat gum inflammation, mouth ulcers, and bad breath. the antibacterial compounds in guava leaves help reduce oral bacteria and promote gum healing.
      • 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
        • used for treating cuts, boils, and skin infections. guava leaves have antiseptic and anti-inflammatory properties that promote healing and prevent infection.
      • 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
        • used to soothe sore throat, cough, and mild respiratory infections. guava fruit contains vitamin c and antioxidants that boost immunity and soothe the throat.
      • 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
        • helps open pores, cleanses skin, and relieve nasal congestion. used in traditional medicine for acne and sinus relief.
      Link to original
    • psidium cattleianum

      • image.png
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  • research
    • psidium littorale

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