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.
The utricle enclosing the ovary or achene in the genus Carex. Perigynous. Borne on th perianth, around the ovary.
Urn-shaped or sac-like prophyll surrounding the carpellate flower of some Cyperaceae, e.g., Carex.