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Plant guide

African Mask Plant.

Alocasia × amazonica

Pronounced al-oh-KAY-zee-uh am-uh-ZON-ih-kuh

Also known as Alocasia × amazonica

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Alocasia macrorrhizos
Photo by Greg III Espera (CC BY) via iNaturalist

This striking plant is a hybrid known for its bold, arrow shaped leaves with prominent white veins. It adds a dramatic tropical flair to any indoor space. You will love how the deep green foliage contrasts with the lighter veining.

At a glance

Care level
Difficult
Plant type
Tropical perennial
Light
Bright, filtered light is best for healthy growth.
Indoor light
Bright indirect
Water
Every 5 to 10 days
Mature size
2 to 3 feet
Growth rate
Medium
Hardiness
USDA 10 to 12
Bloom time
Rarely blooms indoors, but may produce spathes in late spring.

Care

Keep the soil consistently moist but never soggy to prevent root rot. Watch for yellowing leaves which often signal overwatering or poor drainage. High humidity is essential for keeping this plant happy and preventing crispy leaf edges.

Watering
Water when the top inch of soil feels dry to the touch.
Feeding
Feed with a balanced liquid fertilizer during the growing season.
Pruning
Remove yellow or damaged leaves at the base to keep the plant tidy.
Repotting
Repot only when the plant becomes root bound in its current container.
Soil
Well draining peat based potting mix
Soil pH
5.5 to 6.5
Temperature
15 to 28°C
Humidity
60 to 90%
Drought tolerance
Low
Lifespan
Perennial, typically 5 to 10 years with proper care.
Deer and rabbits
Moderate

Signs it needs repotting

  • Roots growing out of the drainage holes.
  • Water running straight through the pot without soaking in.
  • The plant has stopped producing new leaves during the growing season.

Safety

People
All parts of the plant contain calcium oxalate crystals which cause severe irritation to the mouth and throat.
Pets
This plant is toxic to cats and dogs if ingested.
Children
Keep this plant out of reach of children as chewing on the leaves causes immediate pain and swelling.
Contact allergens
The sap can cause skin irritation or contact dermatitis in sensitive individuals.
Airborne allergens
There are no notable respiratory allergens associated with this plant.
Edibility
This plant is toxic if ingested and should never be consumed by humans or pets.

How to identify it

  • Arrow shaped dark green leaves
  • Prominent white or silver veins
  • Wavy leaf margins
  • Deep purple undersides
Height
0.4 to 0.8m
Spread
0.3 to 0.6m
Leaves
dark green, purple, bronze, evergreen
Flowers
white, cream, 5 to 10cm
Fruit
red, Rarely fruits in cultivation.

Problems to watch for

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    Growing it

    Propagation
    division, corm offsets
    When to plant
    spring, summer
    Overwintering
    Keep the plant in a warm spot away from cold drafts. Reduce watering slightly during the cooler months when growth slows down.
    In containers
    It thrives in containers, provided the pot has excellent drainage and is not excessively large.

    Division

    1. Gently remove the plant from its pot.
    2. Identify the corm offsets attached to the main root ball.
    3. Carefully separate the offsets using a sterile blade.
    4. Pot the offsets in a well draining mix.
    5. Keep the soil lightly moist until new growth appears.

    Group moisture loving plants together to create a humid microclimate that reduces individual plant stress.

    Grows well with

    • Peace Lily · They share similar requirements for high humidity and indirect light.
    • Ferns · Ferns help create a microclimate that boosts ambient humidity.

    Similar species

    • Kris Plant · It is one of the parent species and shares the distinct leaf shape.
    • Amazonian Elephant Ear · It has a similar aesthetic with high contrast veining.

    Science

    Family
    Araceae
    Genus
    Alocasia
    Order
    Alismatales
    Class
    Liliopsida
    Native range
    Tropical Southeast Asia.
    Conservation
    This is a cultivated hybrid that does not occur in the wild. Plants sold in the trade are produced in nurseries by tissue culture or division.

    It grows in the shaded, humid understory of tropical rainforests.

    Value to wildlife
    tropical habitat structure
    Pollinators
    beetles
    Uses
    houseplant, tropical display

    Through the year

    JFMAMJJASOND
    Flowering
    Fruiting
    Foliage

    Ecological indicators

    Salinity
    1/9
    Soil reaction
    6/9
    Light
    3/9
    Temperature
    8/9
    Moisture
    7/9
    Nutrients
    6/9

    Taxonomy resolved against GBIF.

    Questions people ask

    Why are the leaf tips turning brown?
    This is usually a sign of low humidity or inconsistent watering.
    Does it need direct sunlight?
    No, it prefers bright, indirect light to prevent leaf scorch.

    Where the name comes from

    The name honors the Mortfontaine estate in France where the hybrid was first cultivated in the 19th century.

    Good to know

    • It is commonly known as the Skeleton Plant due to its prominent white veins.
    • It is a hybrid of Alocasia sanderiana and Alocasia lowii.
    • The leaves are naturally dark to absorb as much light as possible in shaded environments.

    Also in

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    This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.