Angico

himatanthus drasticus

Also known as: ["Angico","Angico-branco","Angico-vermelho"]

Family: Apocynaceae Genus: Himatanthus Category: Trees

Overview

A tropical tree native to South America, known for its medicinal properties and toxic bark.

Benefits & Perks

["medicinal use","rare/collector’s item"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Gentianales
Family: Apocynaceae
Genus: Himatanthus
Botanical Name: Himatanthus drasticus

Plant Characteristics

Basic Information
  • Category: Trees
  • Suitable Location: raised beds or containers in sunny areas
  • Suitable For:
    Collectors & Enthusiasts Medicinal Plant Growers
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"10–35°C"}
  • Hardiness: {"zones":"8–11"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining mix with cactus soil, perlite, and a small amount of organic matter.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: Light pruning can be done anytime; major pruning in late winter or early spring before new growth begins.
  • Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary for health or shape.
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 midday sun; adjust placement based on indoor/outdoor conditions.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil or drainage issues.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

full sun to partial shade

Rotate plant for even light exposure; use sheer curtains to filter intense light; move outdoors in spring/summer for stronger light.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.

Soil

well-draining, sandy loam with some organic matter

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

Use a mix that dries out between waterings; avoid heavy clay soils; ensure pots have drainage holes.

Temperature

Prefers 65–85°F (18–29°C); tolerates mild fluctuations but avoid prolonged exposure to extreme heat or cold.

Avoid sudden temperature changes; protect from drafts; maintain consistent room temperature.

Fertilizing

every 4–6 weeks during growing season, none in winter

Fertilize only when actively growing; flush soil occasionally to prevent salt buildup; use a balanced formula.

Propagation

Methods

Stem cuttings in spring/summer.

Step-by-Step Propagation Guide
  1. Take a healthy cutting.
  2. Apply rooting hormone.
  3. Plant in medium.
  4. Keep moist and warm.
  5. Transplant once rooted.

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

Environment

Warm, humid environment with indirect light; maintain consistent moisture.

Medium

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

Hormone

Recommended to use rooting hormone for faster root development.

Timeline

Roots may develop in 4–6 weeks; establish in new pot within 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium.

Quick Tips

Use healthy, non-flowering stems; keep cuttings out of direct sun; maintain humidity with a plastic bag if needed.

Pruning & Repotting

Pruning Guide
Method

Use clean cuts just above a leaf node or branch junction; remove crossing or crowded branches.

Pruning Plan

Prune to maintain shape, encourage bushier growth, and remove dead or diseased parts.

Tools

Pruning shears, sterilized scissors, gloves.

Checklist

Sterilize tools; prune dead/damaged growth; shape as desired; clean up debris.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

Increase pot size by 1–2 inches in diameter; ensure good drainage.

Method

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

Suggestions

Repot every 2–3 years or when roots outgrow the pot; beneficial for growth and health.

Checklist

Choose appropriate pot; prepare new soil; handle roots carefully; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

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

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation.

Pro Tip: Use a watering can with a narrow spout to direct water to the roots without wetting foliage.
Watering Schedule Tips

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

Soil Improvement

Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure aeration with chunky materials.

Temperature Stress Management
Signs of Temperature Issues

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

Cold Stress

Slows growth, may cause leaf drop, and increases susceptibility to root rot due to reduced water uptake.

Solution: Move to a warmer location; protect from drafts; reduce watering in cold conditions.

Hot Stress

Leaves may scorch, wilt, or drop; growth may slow due to water stress and heat shock.

Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer; apply to moist soil; avoid contact with leaves.

Fertilizing Method

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

Common Problems & Solutions

Yellowing leaves in Himatanthus drasticus may indicate nutrient deficiencies, overwatering, or pest infestations such as mealybugs, which disrupt chlorophyll production and photosynthesis.

Wilting in Himatanthus drasticus can be caused by water stress, either due to overwatering leading to root rot or underwatering causing dehydration, both of which impair nutrient uptake and plant turgidity.

Leaf spots on Himatanthus drasticus may be caused by fungal or bacterial pathogens, leading to necrotic lesions that impair photosynthesis and can progress to defoliation if left untreated.

Rotting, particularly root or stem rot, in Himatanthus drasticus is often a result of excessive moisture and poor drainage, leading to fungal infections that degrade plant tissues and impair water transport.

Toxicity Warning

Cats
Toxic

Cats are highly sensitive to the toxic compounds in Himatanthus drasticus, which can cause severe cardiac and gastrointestinal distress. The effects can be rapidly debilitating and potentially fatal.

⚠️ Symptoms:
vomiting diarrhea lethargy tremors difficulty breathing heart arrhythmias seizures
🌿 Toxic Parts:
leaves bark latex
⚡ Toxic If:

if eaten

Ensure cats cannot access the plant. Contact a veterinarian immediately if ingestion is suspected.
Dogs
Toxic

The bufadienolides in Himatanthus drasticus are highly toxic to dogs, affecting cardiac function and potentially leading to life-threatening conditions. Even small amounts can cause severe poisoning.

⚠️ Symptoms:
vomiting diarrhea lethargy weakness difficulty breathing seizures collapse
🌿 Toxic Parts:
leaves bark latex
⚡ Toxic If:

if eaten

Keep plants out of reach of dogs. Seek immediate veterinary attention if ingestion is suspected.
Humans
Toxic

Himatanthus drasticus contains cardioactive compounds, including bufadienolides, which can have significant physiological effects on the heart and other systems. Ingestion can lead to severe cardiac disturbances and other systemic toxicities.

⚠️ Symptoms:
nausea vomiting diarrhea abdominal pain heart palpitations arrhythmias hypotension
🌿 Toxic Parts:
leaves bark latex
⚡ Toxic If:

if eaten

Avoid ingestion. Handle with care, especially when harvesting or processing. Keep away from children and pets.
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 Himatanthus drasticus safe for pets?

A: No, it is toxic to dogs and cats.

Q: What are the medicinal uses of Angico?

A: It is used in traditional medicine for treating digestive issues and skin conditions.

Q: How difficult is it to grow Himatanthus drasticus?

A: It requires moderate care and is not suitable for beginners.

Quick Reference
Family: Apocynaceae
Care: moderate
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["collectors/enthusiasts","medicinal plant growers"]
Get Expert Care Tips

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Toad Plant
View
Quinine Tree, African Dream Tree
View
Yellow Oleander
View
Impala Lily
View