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A huge leafed species, the leaf can get to almost 1.8 metre ( 6 feet) long from a bulb the size of an orange.A native of the river ravine rock faces of New Guinea, it is allied to the other large species like Bulb phalaenopsis and macrobulbon.
This species requires a basket or shallow tray with a rich media that will stay damp but not wet. It will also grow on a large treefern slab with extra water, where the leaf is pendulous.
When in active growth, the plant requires maximum water and fertiliser and warm conditions.