Japan Flora: Stemless annual; leaves short, rosulate, nar­rowly linear, long-acuminate, 2.8-8 cm. long, 1-2 mm. wide; peduncles 5-15 cm. long, scarcely ribbed; heads ovoid-globose, 3- 4 mm. long, 4 mm. across, sordid white or brownish white, densely many-flowered; involucral bracts about 1.5 mm. long, obtuse-tipped, slightly shorter than the disc flowers; floral bracts obovate-oblong, 1.5-2 mm. long, rather acute; staminate flowers about 2 mm. long, with spathiform calyx and tubular 3-lobed corolla; pistillate flowers without petals, the sepals 2, free, linear, blackish above the middle, pilose, the stigmas 3. Wet lowlands.

Honshu, Shikoku, Kyushu. Korea, Ryukyus, Formosa, China, Philippines, Malaysia, Indochina, India, and Africa. The typical phase is Australian.