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Any of various mushrooms of the family Geastraceae, having a round spore case like that of a puffball with an outer covering that splits open in a starlike form.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Plants) 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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a fungus of the genus Geaster, having an outer covering that splits into the form of a star.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||earthstar - any fungus of the family Geastraceae; in form suggesting a puffball whose outer peridium splits into the shape of a star|
fungus - an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia
Geastrum coronatum - an earthstar with a bluish spore sac and a purplish brown gleba; at maturity the outer layer splits into rays that bend backward and elevate the spore sac
Astreus pteridis - the largest earthstar; the fruiting body can measure 15 cm across when the rays are expanded
Astreus hygrometricus - a common species of earthstar widely distributed in sandy soil; the gleba is a pale tan
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