This is a series of posts on interesting and unusual words and phrases.
The first set of words are adjectives that describe a shape and are often used in botany, mineralogy, and describing artistic forms.
The word for today is calyptriform : of the shape of a calyptra or candle-extinguisher, from the Greek, kalúptra, “covering or veiling”.
Porpolomopsis calyptriformis (Berk.) Bresinsky – Pink Waxcap

