It has a unique shape with a cup on a stalk. The stalk is hollow all the way through and tapered from the bottom, ranging from 1 to 2 mm in diameter, and reaching 30 mm in length. The narrower top of the stalk connects to the cup.
It has a distinctive form with a bowl on a stem. The stem is empty throughout its length and tapered from the bottom, measuring between 1 to 2 millimeters in diameter and reaching up to 30 millimeters in length. The narrower top of the stem joins to the bowl.