Japan Flora: Rather large, stemless annual; leaves many, broadly linear, gradually tapering above toward an obtuse apex, 13- to 17-nerved, 8-20 cm. long, 4-8 mm. wide; peduncles numerous, densely tufted, 15-30 cm. long, 5- or 6-ribbed; heads hemisphaerical, 4-5 mm. high, 6 mm. in diameter, densely white-pilose; involucral bracts broadly obovate to orbicular-obovate, 2.5 mm. long, shorter than the disc flowers; receptacle pilose; floral bracts membranous, cuneate, 2.2 mm. long, 1.5 mm. wide, densely puberulent on the upper margin and on the back, the pistillate bracts deltoid at apex; flowers numerous; pistillate flowers with an elliptic spathelike calyx open on one side, hyaline, minutely 3-lobed at apex, ciliate, pilose inside, the petals 3, free, lanceolate, al­most glabrous at the tips, the stigmas 3, as long as the style. - Paddy fields.

Honshu (Kinki Distr. and westw.), Shi­koku, Kyushu. China, Ryukyus, and Formosa.