Yellow/gold colored 5" long flowers have warted black hinged lip that serves as a trigger, propelling insects into the flower to cause pollination.   This plant is easy to grow and bloom. 

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From the Philippines. This orchid was described from a plant grown in cultivation with no details given as to habitat location or elevation in 1999.  Grow this plant in dappled light and temperatures of 58-75 degrees at night. Reliable fall bloomer. 

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