#annulus__annulu  (fungi) remnant of the partial veil that in mature mushrooms surrounds the lower part of the stem
  supertype:  #plant_part__plantpart  any part of a plant or fungus
  part of:  #partial_veil__partialveil__velum  membrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap

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