Japanese name: ゴウソ(郷麻) Scientific name:Carex maximowiczii var. maximowiczii
[Overview]
A perennial 40–70 cm tall, found in wetlands and at the edges of ponds and marshes.
It grows in tufts and forms large clumps.
The base of the stem has soft brown sheaths.
The leaves are linear, about 0.4–0.6 cm wide.
Spikelets are borne at the tip of the flowering stem; the terminal spikelet is male, linear, and rusty red.
There are 1–3 lateral spikelets, which are female and thick cylindrical, 2–3.5 cm long and 1–1.5 cm in diameter.
The perigynia are broadly ovate, about 0.4 cm long, conspicuously swollen, and abruptly narrowed at the top into a short beak.
The surface of the perigynia is densely covered with fine papillose projections.
The scales attached to the perigynia are tinged rusty red and have long pointed tips.