Japan Flora: Erect branched annual) 30-60 cm. long; stems ob­tusely angled, loosely soft-pubescent; leaves thinly membra­nous, broadly to narrowly ovate, 6-10 cm. long, 2.5-6 cm. wide, short-acuminate with an obtuse tip, cuneate to broadly cuneate at base, toothed, thinly pubescent above and on nerves beneath, the petioles winged in upper part; spikes terminal and axillary, 5-10 cm. long, 7-8 mm. across, densely many­flowered, one-sided, the bracts depressed-orbicular, short-ciliate, rounded at base, nearly glabrous on back, as long as to slightly longer than the calyx, often purplish, the awns 1-2 mm. long; flowers pale rose-colored, about 5 mm. long; calyx 3-3.5 mm. long in fruit, the teeth spine-tipped; nutlets narrowly obovate, about 1 mm. long, slightly flattened, broadly rounded at apex, cuneate at base. Sept.-Nov.

Hokkaido, Honshu, Shikoku, Kyushu; common. s. Kuriles, Korea, Formosa, China, temperate Asia to w. Europe.

Japan Flora: Stems 30- 80 cm. long, obtusely angled, short-pubescent; leaves ovate or broadly so, 2.5-6 cm. long, 1.5-4 cm. wide, acuminate or acute, broadly cuneate at base, toothed, glabrous or thinly pubescent on nerves beneath, thinly pilose above, petiolate; spikes 2-5 cm. long, about 10 mm. across, densely many-flowered, one-sided, the bracts long-ciliate, narrowly flabellate, short-pubescent on back, the awns 2-3 mm. long; corolla rose-colored, 4-5 mm. long; nutlets obovate, slightly compressed, about 1 mm. long. Sept.-Oct. Sunny slopes along streams and valleys in mountains.

Honshu (Kanto Distr. and westw.), Kyushu. The typical phase occurs in China.