Red Cumaru

virola sebifera

Also known as: ["Cumaru Vermelho","Paricá"]

Family: Myristicaceae Genus: Virola Category: Trees

Overview

A tropical tree species native to Central and South America, known for its hardwood and resinous properties.

Benefits & Perks

["rare/collector’s item","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Magnoliales
Family: Myristicaceae
Genus: Virola
Botanical Name: Virola sebifera

Plant Characteristics

Basic Information
  • Category: Trees
  • Suitable Location: outdoor garden in a sheltered spot or large container indoors with bright, indirect light
  • Suitable For:
    Collectors & Enthusiasts Outdoor Landscapers
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"15–30°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: every 2–3 days to maintain moderate humidity, especially in dry environments
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining potting mix with added perlite or sand for aeration.
Maintenance Level
  • Maintenance Level: very high
  • Toughness Level: very high
  • Pruning Frequency: Annually or every 2 years; after flowering or in early spring before new growth.
  • Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details

Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; can tolerate some direct morning sun but avoid harsh afternoon sun.

Sunlight Tolerance Tips:
Acclimate gradually to direct light; protect from intense sun to prevent scorching; adjust placement based on indoor/outdoor conditions.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil conditions or improper watering.

Care Requirements

Care Difficulty
expert only

moderate

Sunlight

partial shade to full sun with protection from intense afternoon sun

Rotate plant for even light exposure; use sheer curtains to filter intense light; monitor for signs of sunburn.

Watering

every 7–10 days during active growth, reducing to every 2–3 weeks in winter

Water deeply to encourage root growth; allow soil to dry between waterings; avoid overwatering.

Soil

well-draining, fertile soil with organic matter

pH: Slightly acidic to neutral (pH 6.0–7.0).

Ensure pots have drainage holes; avoid compacted soil; refresh soil every 2 years.

Temperature

Prefers temperatures between 65–85°F (18–29°C); thrives in warm, humid conditions; sensitive to cold drafts.

Avoid sudden temperature changes; maintain consistent warmth; protect from cold drafts.

Fertilizing

every 4–6 weeks during spring and summer with balanced liquid fertilizer

Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; avoid overfertilizing.

Propagation

Methods

Stem cuttings in spring or early summer.

Step-by-Step Propagation Guide
  1. Take a 4–6 inch cutting.
  2. Remove lower leaves.
  3. Apply rooting hormone.
  4. Plant in medium.
  5. Maintain humidity.

Best Time: Spring or early summer when the plant is actively growing.

Environment

High humidity (70–90%), warm temperatures (75–85°F), and indirect light.

Medium

Well-draining mix of peat and perlite or cactus mix.

Hormone

Rooting hormone is recommended for faster root development.

Timeline

Roots may develop in 4–8 weeks; establish in new pot after 3–6 months.

Tools Needed

Pruning shears, rooting hormone, small pots, plastic wrap or propagator.

Quick Tips

Use healthy, non-flowering stems; keep medium consistently moist; provide bottom heat if possible.

Pruning & Repotting

Pruning Guide
Method

Selective pruning of stems to shape the plant; avoid cutting into old wood unless necessary.

Pruning Plan

Prune to maintain shape, encourage bushiness, and remove dead or overgrown stems.

Tools

Pruning shears, sterilizing solution, gloves.

Checklist

Sterilize tools; prune during dormancy or after flowering; remove dead/damaged growth; shape evenly.

Repotting Guide
Best Season

Spring, before the active growing season begins.

Pot Size

Increase pot size by 2–3 inches in diameter; ensure good drainage.

Method

Remove plant gently; trim roots if crowded; place in new pot with fresh soil; water lightly.

Suggestions

Repot every 2–3 years or when roots fill the pot; necessary to refresh soil and provide space.

Checklist

Check root bound status; prepare new pot with drainage; trim roots if needed; use fresh soil mix.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure proper drainage; adjust for season.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; water until it drains from the bottom; avoid wetting foliage to prevent fungal issues.

Pro Tip: Use a watering can with a narrow spout to direct water to the root zone without disturbing soil.
Watering Schedule Tips

Water thoroughly when the top inch of soil feels dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add perlite or coarse sand to improve drainage; incorporate organic matter like compost for fertility.

Temperature Stress Management
Signs of Temperature Issues

Yellowing leaves, leaf drop, or stunted growth in cold; wilting or leaf scorch in excessive heat.

Cold Stress

Low temperatures slow growth and can cause root damage; prolonged cold may lead to dieback.

Solution: Move to a warmer location; protect from drafts; use a space heater if necessary; avoid overwatering in cold.

Hot Stress

Excessive heat can cause leaf scorch, wilting, or dehydration; may drop leaves to conserve water.

Solution: Provide shade during peak heat; increase humidity with misting or a humidifier; ensure adequate watering.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; use diluted fertilizer; apply to moist soil; rinse pot periodically.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); reduce or stop in fall/winter.

Common Problems & Solutions

Yellowing leaves in Virola sebifera may indicate nutrient deficiencies, overwatering, or pest infestations, affecting photosynthesis and overall plant health.

Wilting in Virola sebifera can result from water stress, either due to drought or overwatering, leading to reduced turgor pressure and potential root damage.

Leaf spots on Virola sebifera may be caused by fungal or bacterial pathogens, leading to reduced photosynthetic efficiency and potential leaf drop.

Rotting, particularly root or stem rot, can occur in Virola sebifera due to excessive moisture or fungal infections, compromising structural integrity and nutrient uptake.

Toxicity Warning

Cats
Toxic

Cats are highly sensitive to the toxic compounds in Virola sebifera, which can cause severe neurological and gastrointestinal symptoms. The plant's psychoactive properties can be particularly dangerous for felines, leading to significant health risks.

⚠️ Symptoms:
vomiting tremors seizures lethargy difficulty breathing hyperesthesia
🌿 Toxic Parts:
seeds bark resin
⚡ Toxic If:

if eaten

Prevent cats from accessing Virola sebifera. If ingestion is suspected, contact a veterinarian immediately. Monitor the cat closely for any signs of distress.
Dogs
Toxic

In dogs, ingestion of Virola sebifera can lead to neurological disturbances, gastrointestinal upset, and other systemic effects due to the presence of psychoactive compounds. The plant's toxicity can cause significant distress and potential harm to canine health.

⚠️ Symptoms:
vomiting diarrhea tremors seizures lethargy excessive drooling
🌿 Toxic Parts:
seeds bark resin
⚡ Toxic If:

if eaten

Keep dogs away from Virola sebifera. If ingestion is suspected, seek veterinary attention immediately. Do not induce vomiting without professional guidance.
Humans
Toxic

Virola sebifera contains psychoactive compounds, including N,N-dimethyltryptamine (DMT), which can induce hallucinations, altered states of consciousness, and other neurological effects. The plant's toxic effects are primarily due to its psychoactive and irritant properties, which can disrupt normal physiological functions.

⚠️ Symptoms:
hallucinations nausea vomiting increased heart rate dizziness confusion
🌿 Toxic Parts:
seeds bark resin
⚡ Toxic If:

if eaten

Avoid ingestion of any part of the plant. Handle with care, and keep away from children and pets. Consult a medical professional immediately if accidental ingestion occurs.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Virola sebifera suitable for indoor cultivation?

A: No, it is a large tropical tree requiring outdoor space and specific environmental conditions.

Q: Does Virola sebifera have any medicinal uses?

A: Traditional uses include the resin for medicinal purposes, though modern applications are limited.

Q: How tall does Virola sebifera grow?

A: It can reach heights of 30–40 meters in its natural habitat.

Quick Reference
Family: Myristicaceae
Care: expert only
Light: partial shade to full sun with
Water: every 7–10 days during activ
Suitable For: ["collectors/enthusiasts","outdoor landscapers"]
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