Black Magic
Alocasia infernalis
Alocasia infernalis, commonly called 'Black Magic' or 'Black Indo,' is a rare tropical plant prized for its dramatic nearly black foliage with purple veins and a metallic sheen that shows red iridescence in certain light. This compact perennial subshrub features heart-shaped, membranous peltate leaves where petioles attach centrally to the leaf blade. Native to Borneo's rainforests, it typically grows 20-30 cm tall with 15-20 cm wide leaves in cultivation, though can reach 2-4 feet indoors. Its striking dark coloration and glossy texture make it a collector's favorite.
Leaf Characteristics
Heart-shaped peltate leaves with dark near-black coloration, purple venation, and glossy metallic sheen. Membranous texture with red iridescence under specific lighting. Mature leaves reach 15-20 cm wide.
Plant Care Overview
Care Guide
Essential requirements for your Alocasia infernalis
Light Requirements
Bright, indirect light
Light conditions can affect leaf color and growth rate. Adjust placement as needed based on your plant's response.
Watering Schedule
When top 25% of soil dries; reduce in fall/winter
Humidity Needs
high humidity
Always check soil moisture before watering. Adjust frequency based on your home's conditions.
Temperature Range
Daytime 50-85°F (10-29°C), Nighttime 55-65°F (13-18°C)
Native Climate
Native to Kalimantan, Indonesia; Sarawak, Malaysia (Borneo's wet tropical rainforests)
Keep away from drafts, heaters, and air conditioners which can stress your plant.
Soil Type
Well-draining mix with 20% perlite
Fertilizer
Balanced houseplant fertilizer during growing season
Consider repotting every 1-2 years to refresh soil nutrients and accommodate growth.
Propagation
Methods to grow more Alocasia infernalis plants
Division of rhizomes or offsets
Plant Info
Characteristics and background information
Kalimantan, Indonesia; Sarawak, Malaysia (Borneo's wet tropical rainforests)
moderate
2-4 feet (60-120 cm) in height when mature indoors
perennial
Toxic to pets
This plant has minimal air purifying properties.
Indoor Blooming
This plant rarely blooms indoors.
Fun Fact
Its scientific name 'infernalis' references the vampire squid's Latin name Vampyroteuthis infernalis, meaning 'hellish vampire squid'
Troubleshooting
Solutions for typical issues with your Alocasia infernalis
Brown, crispy leaf edges
Yellowing leaves, mushy stems
Webbing on leaves, stippled foliage
Varieties
Different varieties of Alocasia infernalis
A cultivated form of Alocasia infernalis
Named cultivar of Alocasia infernalis
Recognized cultivar within the species
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Care Guides
Detailed guides for caring for your Alocasia infernalis
Tropical Plants Plants Care Guide
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Humidity Lovers Plants Care Guide
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