Anguloa x ruckeri, a hybrid between Anguloa clowesii and Anguloa hohenlohii. Looks to me like there may be something else, perhaps some pink Anguloa uniflora lurking somewhere in its pedigree. Regardless, it's a beautiful plant. There are a dozen or so species of Anguloa native to the Andean tropics. They are among the most beautiful orchids in our collection.