perigynium

top

CIDE DICTIONARY

perigynium, n. [NL. See Perigynous.].

Some unusual appendage about the pistil, as the bottle-shaped body in the sedges, and the bristles or scales in some other genera of the Sedge family, or Cyperaceæ. [1913 Webster]

For further exploring for "perigynium" in Webster Dictionary Online