European maritime sedge naturalized along Atlantic coast of United States; rootstock has properties of sarsaparilla.

一种欧洲的苔草，沿美国大西归；具有性能的根茎。

A scale-like bract enclosing the pistil in Carex.

雌器苞 Perigynium (pl. perigynia) 苔草属中,包被雌蕊的鳞片状苞片。