Japan Flora: Caudex erect, obovoid, 1-1.5 cm. long, 7-10 mm. thick; leaves tufted, linear, long-attenuate, 7-15 cm. long, 3-4 mm. wide; peduncles numerous, 12-28 cm. long, very shal< lowly 9- or 10-grooved; heads obovoid-conical, 6-7 nun. long, 5 mm. across, nearly glabrous; involucral bracts about 14, broadly obovate, 2 mm. long and as wide, rather obtuse, shorter than the disc flowers; receptacle glabrous with numerous flowers; floral bracts acute, oblanceolate, nearly as long as the flower, puberulent with unicellular hairs along the upper margin; staminate flowers 2 mm. long with a spathelike minutely trilobed and glabrous calyx; pistillate flowers 2 mm. long, the calyx spathelike, glabrous, minutely 3-lobed, the petals 3, free, oblanceolate, pilose inside, the stigmas 3, slightly longer than the style.
Honshu (wet sandy banks of the Motoara River, Musashi Prov.); very local.