Japanese name: ヤマイ（山藺） Scientific name:Fimbristylis subbispicata
[Overview]
A perennial 10–60 cm tall, found in mountain wetlands and similar places.
The leaves are basal, narrow at 0.7–1 mm wide, and rather hard.
Usually a single spikelet is borne at the stem tip, together with a single leaf-like bract about as long as the spikelet.
The spikelet is oblong to ovate, 8–25 mm long and 4–7 mm wide, and slightly glossy yellowish brown.
The fruit is obovate, 1–1.2 mm long, ripens to dark brown, and is smooth, with no lattice-like pattern on the surface.
[Notes]
The Japanese name comes from its resemblance to igusa (rush) and its growing in the mountains.
