This orchid is a medium-sized epiphytic species found in riverine to primary forests in Sulawesi and Borneo, at elevations of 600 to 1200 meters. It has a distinctive, warty and mobile lip; its pseudobulbs are ovoid, not angular, with a single apical leaf.
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Light: It requires good air circulation and a light level consistent with its forest habitat, likely dappled to partial shade—avoiding direct, harsh sun.
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Temperature: It grows well in hot to warm temperatures. A suitable daytime range is 68-86°F (20-30°C), with a slight nocturnal drop.
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Humidity: It thrives in high humidity conditions, which is crucial for its health and growth. Levels of 70% or higher are often beneficial.
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Watering: It requires frequent waterings and should be grown in pots or wooded baskets with a loose, open medium that drains very well while retaining some moisture.
Additional Notes
This species holds the distinction of having one of the largest flowers within the Bulbophyllinae, with a single flower reaching up to an impressive 8 inches (20 cm) in size. It blooms successively on a basal inflorescence that can be up to 16 inches (40 cm) long.