earthstar

[ urth-stahr ]
/ ˈɜrθˌstɑr /

noun

a fungus of the genus Geaster, having an outer covering that splits into the form of a star.
any of various bromeliads of the genus Cryptanthus, native to Brazil, having rosettes of stiff, prickly leaves.

Origin of earthstar

First recorded in 1810–20; earth + star

British Dictionary definitions for earthstar

earthstar
/ (ˈɜːθˌstɑː) /

noun

any of various basidiomycetous saprotrophic woodland fungi of the genus Geastrum, whose brown onion-shaped reproductive body splits into a star shape to release the spores