The nickname of these flowers are "Testicles" 

Taiwan: A World of Orchids is an annual Orchids exhibit that is held at The Queens Botanical Garden in the Borough of Queens in NYC.
This is the 11th Annual exhibit and the exhibit is usually held in the 2nd weekend in August from Friday to Sunday.
On the last day the exhibit ends 2 hours early and the orchids are set up outside in the terrace where they will be a sale.