Assertion: orchid's tuber | /r/HasProperty | ground to powder
Facets:
Source sentences:
text: The underground tubers of terrestrial orchids [mainly Orchis mascula (early purple orchid)] are ground to a powder and used for cooking, such as in the hot beverage salep or in the Turkish frozen treat dondurma.
text: The underground tubers of terrestrial orchid varieties are ground to a powder and used for cooking in Turkish recipes.