Japan Flora: Acaulescent annual; leaves broadly linear, 2-6 cm. long, 1-3 mm. wide, 5- to 8-nerved; peduncles 5-14 cm. long, 4- or 5-ribbed; heads hemisphaerical, 3-6 mm. across; in- volucral bracts 6-8, obovate or oblong-obovate, obtuse-tipped, 1.2-2 mm. wide, 3-4 mm. long, white, slightly longer than the disc flowers; receptacle pilose; flowers many, both dimerous and trimerous together in the same head; staminate flowers 2.5 mm. long, with a bearded spathiform 2- or 3-lobed calyx; pistillate flowers with obovate, acute bracts pubescent along the upper margin, the calyx spathiform, long-ciliate and 2- or 3- lobed on the upper margin, the petals 2 or 3, oblanceolate, the stigmas 2 or 3, as long as to exceeding the style.   

Hokkaido (Hidaka Prov.); local.