Full Specimen Plate
Alocasia robusta
Giant Bornean Elephant Ear
Aroid Atlas Price Guide
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Pricing Data Key
Alocasia robusta Morphology
About Alocasia robusta
Alocasia robusta, known as the Giant Bornean Elephant Ear, is a species endemic to the island of Borneo. It holds the record for producing the largest undivided leaves of any herbaceous plant in the world, with leaves occasionally reaching several meters in length in the wild. The leaves are peltate-sagittate, held strongly upright, with a chalky, glaucous, bluish-green matte surface, supported by very thick, fleshy green petioles.
Native Range
Sarawak, Malaysian Borneo
Market Analysis
Alocasia robusta Price Guide & Auction Value
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Before You Buy
Species-specific things to check when evaluating a listing
- Factor in eventual scale; this species holds the record for the largest undivided leaves of any herbaceous plant, and even a container specimen will need substantial space
- No recorded market price exists yet for this species. Treat any quoted price as the seller's own estimate
- Leaf surface should be chalky, glaucous, and matte blue-green rather than glossy; a shiny leaf suggests a different Alocasia
- Rated as difficult to grow; confirm you can provide 70%+ humidity and consistently warm conditions before committing to a plant this large
The Largest Leaves in the Genus
Robusta's claim to fame is a genuinely measurable one: it produces the largest undivided leaves of any herbaceous plant on record, occasionally reaching several metres long in the wild in its native Bornean rainforest. That scale doesn't translate cleanly into a houseplant setting, where specimens stay considerably smaller, but the growth habit and demands are still substantial: this is rated difficult, wants humidity at 70% or higher, and will eventually outgrow most home setups. The chalky, glaucous, matte blue-green leaf surface is a useful identifying feature on its own, distinct from the glossier finish of many other large Alocasia species.
