Japanese name: カヤツリスゲ（蚊帳吊菅） Scientific name:Carex bohemica
[Overview]
An annual 15–30 cm tall, found in wet ground such as lake and marsh margins.
Several stems emerge together.
The leaves are linear, about 1.5–2.5 mm wide.
At the stem tip, many spikelets are densely clustered in a hemispherical head 1.5–2 cm in both length and width.
The inflorescence has 2–3 leaf-like bracts.
The perigynia are narrowly lanceolate, 7–10 mm long, erect and membranous, with rough margins; the base has a slender stalk, and the upper part is linear with a markedly long beak.
The fruit is a small achene.
[Notes]
The Japanese name comes from its appearance resembling plants of the Kayatsuri-gusa group.
