earthstar

/ˈʌrθˌstɑr/
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Other forms: earthstars

Definitions of earthstar
  1. noun
    any fungus of the family Geastraceae; in form suggesting a puffball whose outer peridium splits into the shape of a star
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    types:
    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
    type of:
    fungus
    an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia
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