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The surface of the pseudobulb is ornamented in various ways.
|  | Smooth: no obvious surface ornamentation, smooth to touch. |  | Wrinkled: surface is ornamented with uneven lines resembling wrinkles. | 
|  | Ribbed/grooved/furrowed: surface is adorned with raised lines that resemble ribs or ridges and can have prominent grooves between the ridges. |  | Papery: the surface is covered with papery bracts which can be soft or stiff. |